Algebra 2 I suck at it can anyone help me?

1)f(2x – 10) = x + 1f(-10) = 1f(-12) = 0f(2x – 12) = xQ:A: If f(x) and g(x) are inverse functions, use the information shown above to find g(x).A)g(x) = -12B)g(x) = -10C)g(x) = 2x – 10D)g(x) = 2x – 122) What are the complex zeros of y = x2 + 9?A)x = -3, 3B)x = -3i, 3iC)x = -9i, 9iD)There are no zeros.3) Best Burgers wants to know what kind of burger they should add to their menu. Whom should they ask?A)everyone who orders a hot dogB)the first 5 lunch customers on TuesdayC)everyone who comes through the drive-thruD)100 customers from lunch and dinner for a week4) If g(x) = x3 – 5 and h(x) = 2x – 2, then h(g(-2))= ?A)-221B)-28C)-23D)45) Multiply: (3x + 2)(3x – 2)A)-3×2 – 4B)6×2 – 4C)6×2 + 4D)9×2 – 46) Euclid (circa 330 BC) would have been shocked to learn that it is possible to find the sine of a 480° angle, as right triangle trigonometry gives no values for angles larger than 90°.In fact, though, using the unit circle, it is possible to find sin480° by using the oppositehypotenuse ratio of a ________ angle.A)20°B)30°C)45°D)60°7) If the arc length of a sector in the unit circle is 4.2, what is the measure of the angle of the sector?A)2.1 radiansB)4.2 radiansC)8.4 radiansD)12.6 radians8)x123456f(x)210-1-2-3 Based on the table for f(x), what is f-1(-1)?A)1B)2C)3D)49) In January, you deposit $150 into your checking account. Every month after that, you deposit 10% more than you did the month before. How much do you have in your account after your deposit in August?A)$292.31B)$321.54C)$1432.08D)$1715.3810) Find the inverse of f(x) = x – 13.A)f-1(x) = 3x – 1B)f-1(x) = 3x + 1C)f-1(x) = x + 13D)f-1(x) = x + 1311) Which statement is correct about the function y = 3×2 + 19x – 14?A)In factored form, the function is y = (3x – 2)(x + 7), so the zeros of the function are x = -7 and x = 23.B)In factored form, the function is y = (3x + 2)(x – 7), so the zeros of the function are x = -7 and x = 23.C)In factored form, the function is y = (3x – 2)(x + 7), so the zeros of the function are x = 7 and x = -23.D)In factored form, the function is y = (3x + 2)(x – 7), so the zeros of the function are x = 7 and x = -23.12) A rare coin’s value, v, in dollars, can be modeled by the function v = 500(1.3)t, where t is the number of years since the coin was purchased. Rewriting the function in which of these ways would be helpful in determining the rate at which the coin is gaining value, per month?A)v = (500)(1.312)t12B)v = (500112)(1.3)12tC)v = (500)(1.3112)12tD)v = (50012)(1.3)t1213) A right triangle has an angle with a sine of 0.6. What is the cosine of the angle?A)0.36B)0.4C)0.64D)0.814) What is the value of a, if a2 – 64 = 0 and a > 0?A)0B)4C)8D)1615) Simplify.753A)125B)25C)5D)25316) A local club is holding tryouts for six spots on the soccer team. They have a lot of time before their first tournament, so they are not as worried about skill, as they can teach them that. They want the players with the most heart and eager to learn. Which method would be the best to ensure they select that type of player?A)The first day of tryouts they select the first six that show up as they figure those are the most eager for a spot.B)They place all of the names of the people trying out in a hat and then select six out of the hat. Those are the ones that are chosen.C)They watch the players during tryouts and then put them on a list in order from the most skilled to the least skilled and then select the top six from the list.D)They watch the players during tryouts and then put them on a list in order from the most skilled to the least skilled and then select the top three and the bottom three from the list.17) Aaron rolls a die 40 times. On 25 of those rolls, he has a 3. Michelle rolls a die 80 times. On 40 of those rolls, she has a 6. Which statement is TRUE about the experimental and theoretical probabilities?A)The theoretical probability for rolling a 3 is the same as for rolling a 6.B)The theoretical probability for rolling a 3 is greater than for rolling a 6.C)The experimental probability for Aaron’s tries is the same as Michelle’s tries.D)The experimental probability for Aaron’s tries is less than the experimental probability for Michelle’s tries.18)Number GradeLetter Grade85+A82 – 84A-79 – 81B+75 – 78B72 -74B-69 – 71C+65 – 68C61 – 64C-0 – 60FA professor has implemented the following grading system for his class. Suppose all grades are rounded up. What is the letter grade of someone who received a 78.5?A)A-B)B+C)BD)B-19) What is the remainder when x3 + x2 − 5x − 6 is divided by x − 2 ?A)-4B)-2C)0D)220) Simplify.
10y3 + 5y24y2 + y2A)2yB)2y + 1C)5y + 2D)5y2 + 2y21) Devon decided to rewrite the quadratic equation so that it could be simplified into a square in order to find the zeros. Which process correctly shows Devon rewriting x2 + 10x + 13 into a square?A)(x2 + 10x + 25) + 13(x + 5)2 +13B)(x2 + 10x + 25) + 13 – 25(x + 5)2 -12C)(x2 + 10x + 100) + 13 – 100(x + 10)2 -87D)x = 10 ± 102 – 4(1)(13)222) Consider the sequence of steps to solve the equation:
x – 33 = x + 3Step 1 ⇒ x – 3 = 3(x + 3)Step 2 ⇒ x – 3 = 3x + 9Step 3 ⇒ x = 3x + 12Step 4 ⇒ -2x = 12Step 5 ⇒ x = -6Identify the property of equality which yields Step 5.A)Division PropertyB)Addition PropertyC)Subtraction PropertyD)Multiplication Property23) E-Z View cable company charges a flat rate of $40 per month for service and $4.95 for each pay per view movie. View the Best charges a flat rate of $25 per month and $5.95 for each pay per view. Using the given equations, how many pay per views will generate equal monthly bills from the two companies? f(x) = $4.95x + $40 g(x) = $5.95x + $25A)10B)12C)15D)1824) D(b) is a function that models the population of deer based on the number of bobcats in an area. What is an appropriate domain for this function?A)D = {all integers}B)D = (all real numbers}C)D = {rational numbers}D)D = {all whole numbers}25) Write the explicit formula for the geometric sequence represented by the recursive formula.a1 = 4an = 5 · an-1A)an = 4 · 5nB)an = 5 · 4nC)an = 4 · 5n-1D)an = 5 · 4n-126) A box has a rectangular base with a length of 3x + 2 and width of 2x – 2, and the base has a perimeter of 60 centimeters. If the height of the box is x, what is the volume of the box?A)600 cm3B)748 cm3C)840 cm3D)1,200 cm327) Solve for x: ax2 – 2ax + (a + 1) = 0A)1 + iaa, 1 – iaaB)1 + i2aa, 1 – i2aaC)1 + ia2a, 1 – ia2aD)−1 + iaa, −1 – iaa28) Complete the square to transform the quadratic equation into the equation form (x – p)2 = q.x2 + 14x + 34 = 5A)(x – 7)2 = 20B)(x + 7)2 = 20C)(x – 14)2 = 28D)(x + 14)2 = 2829) Kyle is using the general form of a quadratic equation to derive the quadratic formula. He reaches the step in his proof that states x2 + bax = -ca. Which term must he add to complete the square?A)(2ba)2B)(b2a)2C)(ba)2D)-b2a30) Consider 64a2 – 96a + 36. How can the expression be rewritten so that it can be simplified?A)(8a – 6)2B)−(8a – 6)2C)232a2 – 48a + 18D)−8a(8a + 6)231)xf(x)−4−15−2−3012−34−155−24 Compare the quadratic function represented by the table to the function represented by the graph to determine which statement is true.A)The tabled function has a lower minimum value.B)The tabled function has a greater maximum value.C)The graphed function has a lower minimum value.D)The graphed function has a greater maximum value.32) Using intercepts and the maximum, find an equation for the graph shown.A)f(x) = 3×2 + 6x – 9B)f(x) = 3×2 + 6x + 9C)f(x) = -3×2 + 6x – 9D)f(x) = -3×2 + 6x + 933) Zack is preparing for a marathon and currently weighs 162 pounds. His total body weight can be expressed as 3×3 + 9×2, and his body fat weight can be expressed as 32×2. Write a function which represent Zack’s body fat percentage.A)f(x) = 3x + 6B)f(x) = 2x + 6C)f(x) = 32x + 6D)f(x) = 12x + 634) Identify if the functions are even or odd functions.f(x) = x3 + 2x and g(x) = 2×2 – 3A)odd, oddB)even, oddC)odd, evenD)even, even35) Dustin’s starting salary is $40,000. His salary is expected to increase by 4% each year. To the nearest dollar, what is Dustin’s expected salary after 5 years?A)$42,988B)$43,455C)$48,666D)$51,03336)BoysGirlsZoo158Museum1012 Mr. White collected data from his eighth grade class on whether they prefer the zoo or the museum. Based on the data collected, if the eighth grade has 90 girls and 78 boys, which statement is true?A)31 boys will choose the zooB)36 girls will choose the zooC)40 girls will choose the zooD)47 boys will choose the museum37) Parabola A is given by the the equation -4(x – 3) = (y – 1)2Write an equation of a new parabola with a vertex at parabola A’s focus and a focus at parabola A’s vertex.A)-4(x – 2) = (y – 1)2B)-4(x – 4) = (y – 1)2C)4(x – 2) = (y – 1)2D)4(x – 3) = (y – 1)238) Amanda’s first four test scores are 77, 95, 84, and 69. What does Amanda need to score on the next test to have at least an 82 average?A)85 or greaterB)90 or greaterC)greater than 85D)greater than 9239) Which statement about the graph is FALSE?A)The graph has one local extremaB)The graph has no local maximum.C)The graph has two local extrema.D)The graph has one local minimum.40) Four students determined the vertical asymptote for this rational function. Which student is correct in their approach and final answer?P(x) = 4x + 1x – 2A)Ava set the denominator equal to 0 and solved for x. The vertical asymptote is x = 2.B)Kaley solved for x in the denominator. She determined that the vertical asymptote is x = -2.C)Jon set the numerator equal to zero. He determined that the vertical asymptote is y = -14.D)Kyle determined the ratio of the leading coefficients of the numerator and denominator. The vertical asymptote is x = 4.41) Evaluate the logarithm 13e3t = 12Round your answer to the nearest thousandth.A)0.135B)0.587C)0.822D)1.89342) A bag contains 11 blocks numbered from 1 to 11. Two blocks are selected from the bag at the same time. Let event E = the two numbers are NOT even.How many outcomes are in the complement of E?A)10B)20C)70D)9043) x2 + 5x + 6(x + 1) can be rewritten as (x + 4) + 2x + 1. (x + 4) is called the _____ .A)divisorB)quotientC)remainderD)zero44) Find the system of inequalities which represents the shaded region on the coordinate plane.A)y > 2×2 + x and y > 1 + xB)y > 2×2 + x and y > 1 – xC)y > 2×2 – x and y > 1 + xD)y > 2×2 – x and y > 1 – x45) In a high school of 1250 students, 250 are freshmen and 150 students take Spanish. If being a freshman and taking Spanish are independent, what is the probability that a randomly selected Spanish student is a freshman?A)0.024B)0.120C)0.150D)0.20046) Trevor is holding 5 red balloons and 4 blue balloons. He randomly selects a balloon to give his sister, and then he randomly selects a balloon to give his brother. Are the two events dependent or independent? Explain.A)Dependent. The two siblings will want the same color balloon.B)Independent. Girls always want red and boys always want blue.C)Independent. There are a set number of red balloons and blue balloons.D)Dependent. When the first balloon is taken, it affects the ratio of red to blue balloons.47) Between x = 2 and x = 3, which function has the smallest average rate of change?A)y = 6x – 1B)y = 7x – 2C)y = 4x + 1D)y = 4x – 148) Miracle Maid Service charges a $30 house visit fee plus $5 per room to clean a house. What is the independent variable?A)The price per roomB)The number of roomsC)The house visit feeD)The Miracle Maid Service49) Evaluate: 34313 A)7B)9C)11D)1350) Evaluate: 1000A)10B)20C)25D)5051) Which is equivalent to i116?A)-1B)0C)1D)2952) Find the modulus of 6 + 3i.A)3B)35C)53D)2753) If (x, y) is a solution to the system of equations, what is the value of y?
14x + 18y = 2
13x + 12y = 4A)4B)6C)-6D)-454) An athletic apparel manufacture randomly selects 200 high school varsity basketball players. A mean height of 6.18 feet is calculated with a margin of error for a 99% confidence interval of ±0.15.What is the interval estimate of the population mean?A)5.97

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