Unit 5 Review

How much would postage cost for a letter that weighs 2.1 ounces?

• 41 cents

• 39 cents

• 45 cents

• 43 cents

How much would the postage cost for a letter that weighs 4 ounces?

• 43 cents

• 47 cents

• 45 cents

• 49 cents

• 1

• 0

• 2

• 3

• 2

• 3

• 0

• 2.857

• Does not exist

• -4

• -3

• -2

• -3.5

• Does not exist

Which function is graphed?

• f(x) = 2|x + 2| -4
• f(x) = 2|x - 4| + 2
• f(x) = |x + 2| - 4
• f(x) = -2|x - 4|

Which function is graphed?

• f(x) = 2|x - 5|
• f(x) = |x - 5|
• f(x) = |x - 5| + 5
• f(x) = |x| + 5

Write an absolute value function given the following transformations:
Vertical Stretch of 2
Horizontal shift left 1 unit
Vertical shift down 9 units

• f(x) = |2x + 1| - 9
• f(x) = |2x - 1| - 9
• f(x) = 2|x + 1| - 9 
• f(x) = 2|x - 1| - 9

Write an absolute value function given the following transformations:

Reflection across the x-axis

Horizontal shift right 2 units

Vertical shift down 7 units

• y = -|x + 2| - 7

• y = |x - 2| - 7

• y = -|x - 2| - 7

• y = -|x - 2| + 7

What is the line of symmetry of the following function?

y= -4|x+2|+5

• x=-4

• x=2

• x=-2

• x=5