Math 4 Unit 6 Review

What is g(7) if:

• -17
• -13 
• 13       
• 17

Tags

CCSS.HSF.IF.A.2

What is f(-2)?

• 4
• 1
• 1
• DNE

Tags

CCSS.HSF.IF.A.2

Which graph matches:

-x+4 if x < 2

2x-6 if x ≥ 2

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7B

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4
• f(x) = { x  if x ≤ 4;  -x+1  if x > 4
• f(x) = { -x+1  if x < 4;  x  if x ≥ 4
• f(x) = { -x+1  if x ≤ 4;  x if x > 4

Tags

CCSS.HSF-IF.C.7B

What is the value of f(0)?

• -2
• 2
• 4
• 0

Tags

CCSS.HSF.IF.A.2

Match the graph with the correct equation.

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7B

Match the graph with the correct equation.

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7B

Find f(2)

• f(2) = 0

• f(2) = 1

• f(2) = 3

• f(2) = 4

Tags

CCSS.HSF.IF.A.2

A house painter charges $12 per hour for the first 40 hours he works, $18 for the ten hours after that, and $24 for all hours after that.

How much does he earn for a 70 hour week?

• $1020

• $1140

• $840

• He works for free!

For f(x) = 2x²-1, what is and (f ° f)(-2) ?

• 7

• 97

• 13

• 6

Tags

CCSS.HSF-BF.A.1C