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1.Which of the following is an example of a function? {(-1, 0), (-1, 3), (3, 9), (5, 10)} {(1, 3), (2, 5), (3, 8), (4,

1.Which of the following is an example of a function?

  1. {(-1, 0), (-1, 3), (3, 9), (5, 10)}
  2. {(1, 3), (2, 5), (3, 8), (4, 10)}
  3. {(4, 6), (5, 9), (4, 7)}
  4. {(0, 2), (0, 3), (1, 5), (4, 5)}

2.If f(x) = 2x and g(x) = 5x then f(x) g(x) is 7x.

TRUE

FALSE

3.What is the solution of -5x > 25?

  1. x > -5
  2. x < -5
  3. x > 5
  4. x < 5

4.What is the solution of -4x + 1 7?

  1. x -3
  2. x 2
  3. x -2

5.What is the solution of 3Ix+5I <6?

  1. x -3 and x -7
  2. No solution
  3. x -3 and x -7
  4. x < -3 or x > -7

6.Solve 3|2-x|12

  1. x -2 or x 6
  2. x 2 and x 6
  3. x -2
  4. x 6

7.Find the slope between points (4, 6) and (-2, 6).

  1. 0
  2. undefined slope
  3. 1/4
  4. -4

8.What is the equation of the line which includes points (2, 6) and (0, 0)?

  1. y = -3x + 1
  2. y = -3x
  3. y = 3x
  4. y = 3x + 1

9.The equation of a line with slope m = -3 and including point (5, 5) is y = -3x + 20.

TRUE

FALSE

10.Which of the following is the equation of g(x) if the parent function is f(x) = x2 and a = 3, h = -5, and k = 6?

  1. f(x) = 3(x - 5)2 + 6
  2. f(x) = -3(x + 5)2 + 6
  3. f(x) = 3(x + 5)2 + 6
  4. f(x) = 3(x - 5)2 - 6

11.Find the solution to x2 = 36

  1. x = 6
  2. x = -6
  3. x = 12
  4. x = 6

12.Solve the quadratic equation y2 - 7y - 18 = 0 by factoring.

  1. {-2, 9}
  2. {-9, -2}
  3. {-3, -6}
  4. {-6, 3}

13.Determine the zeros of the function 7x2 + 9x = 0.

  1. {-9/7 }
  2. {- ,0}
  3. {0, ,}
  4. { 9/7 ,}

14.What is the vertex of the function f(x) = 7x2 - 28x - 60?

  1. (2, -88)
  2. (3, 56)
  3. (2, 88)
  4. (3, -56)

15.An object is launched upward at 64 ft/sec from a platform that is 80 feet high. What is the objects maximum height if the equation of height (h) in terms of time (t) of the object is given by h(t) = -16t2 + 64t + 80?

  1. 144 feet
  2. 123 feet
  3. 167 feet
  4. 172 feet

16.Find the equation of the quadratic function with zeros 16 and 18 and vertex at (17, -2).

  1. y = x2 - 34x + 288
  2. y = 2x2 - 68x + 576
  3. y = x2 + 34x + 288
  4. y = -2x2 + 68x - 576

17.Find the equation of the quadratic function with zeros 10 and 12 and vertex at (11, -2).

  1. y = 2x2 - 44x + 120
  2. y = 2x2 - 44x - 240
  3. y = 2x2 - 44x + 240
  4. y = -2x2 - 44x + 240

18.For the parent function y=squared x what effect does the values k = 5 have on the graph?

  1. Vertical shift of five units up.
  2. Vertical shift of five units down.
  3. Horizontal shift of five units to the right.
  4. Horizontal shift of five units to the left.

19.Find the range of the function .

  1. y -5
  2. y -5
  3. y > -5
  4. y 5

20.Does the function y = 8x represent a direct or inverse variation?

  1. Direct Variation
  2. Inverse Variation

21.If y varies inversely as x, find the constant of variation if y = 50 and x = 4.

  1. 10
  2. 20
  3. 12.5
  4. 200

22.If y varies directly as x, and y = 14 as x = 7, find y for the x-value of 10.

  1. 20
  2. 21
  3. 22
  4. 23

23.Which of the following is an example of the inverse of an exponential function?

  1. y =
  2. y = 4x
  3. y = 2x
  4. y = log2x

24.The function f(x) = 2x is a logarithmic function.

TRUE

FALSE

25.Write y = 10x as a logarithmic function.

  1. log10x = y
  2. logx10 = y
  3. log10y = x
  4. logy10 = x

26.The "k" value moves the graph left or right.

TRUE

FALSE

27.Determine if the equation y = 2(0.45)x represents exponential growth or decay.

  1. Exponential Growth
  2. Exponential Decay

28.A value of "k" that is greater than zero translates the parent function f(x) = log(x) up.

TRUE

FALSE

29.What is the range of f(x) = log(x - 4) + 3?

  1. y > 3
  2. All Real Numbers
  3. y < 3
  4. y > -3

30.The solution of the equation x = log82 is approximately 0.33.

TRUE

FALSE

31.Solve 3x = 23. Round your answer to the nearest hundredth.

  1. x 2.85
  2. x 2.98
  3. x 3.14
  4. x 3.56

32.Convert 3 into degrees.

  1. 540
  2. 500
  3. 440
  4. 400

33.The angle of 60 is equal to radians.

TRUE

FALSE

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