Unit 1 Test Review

If f(x) = 3x²-5x, find f(-3).

• 42

• 66

• 96

• -12

Write and algebraic expression for the following:

The difference of 5 times a number and 7

• 5x-7

• 5x+7

• 7-5x

• 5x/7

Is the following a function?

{ (-3, 6), (4, 7), (2,6), (7, 4) }

• Yes it is a function

• No it is not a function.

What is the domain of the following?

{ (-3, 6), (4, 7), (2, 6), (7, 4) }

• {-3, 2, 4, 7}

• {4, 6, 7}

• {All real numbers}

• {4, 6, 6, 7}

What is the range of the following?

{ (-3, 6), (4, 7), (2, 6), (7, 4) }

• {-3, 2, 4, 7}

• {4, 6, 7}

• {All real numbers}

Solve the equation: - (4x - 8) = -2 (2x - 4)

• x = 4

• 8 = 8

• Infinitely Many Solutions

• No Solution

Identify the domain and range of this graph. Assume the ends extend inifinitely.

• D: All real numbers
  R: y < 2

• D: -2 < x < 2
  R: y = 2

• D: All Real Numbers
  R: y = 2

• D: -2 < x < 2
  R: y < 2