Unit 3 Review

What is m(4) if:

• -3

• 0.5

• 0

• -3.5

What is m(-3) if:

• -3

• 0.5

• 3

• -3.5

What is f(1)?

• 6

• -2

• sqrt(2)

• Undefined

What is the equation of the graph below?

• f(x) = I x I + 1
• f(x) = I x I - 1
• f(x) = -I x I + 1
• f(x) = -I x I - 1

What is the equation of the graph below?

• f(x) = I x + 2 I 
• f(x) = I x + 2 I +2
• f(x) = I x - 2 I +2
• f(x) = I x - 2 I 

Describe the transformation of the equation below from the parent function of y = I x I
y = -2 I x - 3 I + 3

• reflected over x axis, stretched by 2, right 3, up 3
• reflected over x axis, stretched by 2, left 3 up 3.
• reflected over x axis, shrunk by 2, right 3, up 3
• reflected over the x axis, shrunk by 2, left 3, up 3

What is the equation of the absolute value function?

• f(x)= 4|x+3|
• f(x)= 1/4 |x+3|
• f(x)= 1/4 |x - 3|
• f(x)= 4|x - 3|

Describe the transformations of the following function when compared to the absolute value parent function.

y= -2|x+10|+3

• Reflection across the x-axis

• Vertical stretch by a factor of 2

• Shift left 10 units

• Shift right 10 units

• Shift up 3 units

• (-4, 9)

• (-4, -9)

• (4, 9)

• (4, -9)

Which of the following describes the horizontal and vertical translations of the following functions:
f(x) = |x + 4| - 9

• Left 4
  up 9
• Left 4
  Down 9
• Right 4
  up 9
• Right 4
  Down 9