Functions Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

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.8.F.A.1

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.8.F.A.1

Find f(7) - g(-4)

• -10

• 3

• 22

• 11

Tags

CCSS.HSF.IF.A.2

If f(x)=6x²-4,
what is f(0)?

• -4
• 4
• 0
• 2

Tags

CCSS.HSF.IF.A.2

g(x) = -9x +5.

If g(x)=32, find x.

• -283

• -3

• -293

• 36

Tags

CCSS.HSF.IF.A.2

If h(a) = 3 - 2x²

Find h(-3).

• 33
• 21
• 39
• -15

Tags

CCSS.HSF.IF.A.2

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Function notation
If f(t) = t² - t,find f(-8)

• -72
• -56
• 56
• 72

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Function Notation
If p(a) = 4a, find p(9).

• 13
• 49
• 36
• 35

Tags

CCSS.HSF.IF.A.2