Function Notation Review

f(x) is the same thing as ______.

• y on a graph

• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

g(x) = 2x + 1

g(9) means?

• substitute 9 for x

• multiply the variable g time 9

• y is equal to 9

• 2x + 1 equals 9

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

g(x) = x + 1
g(8) = ______

• 9
• 8
• 7
• 6

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Given f(x) = 3x - 1

What is the value of x in:

f(4)

• 11
• 4
• -1
• 0

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

h(x) = 3x + 1

evaluate when h(x) = 10

is the same as saying

• substitute 10 for x

• on a graph y = 10 for this function

• multiply h by 10

• the 10th value of h will be 3x + 1

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20
• 10
• 5
• 0

Tags

CCSS.HSF.IF.A.2

What is f(1)?

• 1
• 5
• 0
• 4

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What is x if

f(x) = -2?

• -2

• 0

• 3

• 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2