Unit 3 RETAKE Review

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.HSF.IF.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.HSF.IF.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Is this graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7
• -2
• -9
• -10

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If h(x) = -5x + 7,
Evaluate 6h(2).

• -2
• 3
• -18
• -3

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Find the perimeter of the shape shown.

•  $2x^2+2x-2$  

•  $2x^2-3x+10$  

•  $x^3+3x^2-2x-6$  

•  $x^2+3x-6$  

The following table represents the function  $g\left(x\right)$  .  What is the value of  $h\left(x\right)$  given that  $h\left(x\right)=3\cdot g\left(x\right)-4$  when  $x=2$  ?

• -1

• 1

• -2

• 2

The following table represents the function  $g\left(x\right)$  .  What is the value of  $h\left(x\right)$  given that  $h\left(x\right)=3\cdot g\left(x\right)-4$  when  $x=5$  ?

• -19

• 19

• -5

• -4