Foundations - Unit 3 Quiz 1 Review (Functions)

Find the value of g(x) = 4x² - 12 when x = -1.

• -8
• -16
• No Solution
• -9

Solve:
f(-4) = 5|x| - 2

• -1
• 7
• 18
• -22

Find x if f(x) = 12x + 6 when the output is f(x) = -10 

• -4/3
• -114
• 1/3
• 126

Find x is f(x) = x² + 4 and f(x) = 68

• 8
• 8 and -8
• 64 and -64
• 4,100

Solve for k(-4) when
k(x) = |x - 8|

• -12
• 12
• -4
• 4

Solve for m(-2) when m(x) = |3x -2|

• 8
• 4
• -8
• -4

.

• Function
• Not a Function

Tags

CCSS.8.F.A.1

.

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is the relation a function?

• Yes
• No

Is this graph a function or not a function? 

• Function 
• Not a Function 

Tags

CCSS.8.F.A.1