Intro to Function Notation

If f(x) = 6x - 9, find f(4).

• (4, 1)

• (4, 33)

• (4, 15)

• (4, -7)

Tags

CCSS.HSF.IF.A.2

g(x) = 3x + 1
g(2) = _______

• 6

• 7

• 8

• 9

Tags

CCSS.HSF.IF.A.2

f(x) = x² + 7
x(2) = ______

• 10

• 11

• 13

• 12

Tags

CCSS.HSF.IF.A.2

f(n)=2n+1 g(n)=3n Find (f+g)(4)

• 21

• 9

• 12

• 8

Tags

CCSS.HSF-BF.A.1B

f(n)=2n+1 g(n)=3n Find (f-g)(1)

• 5

• 6

• 0

• 3

Tags

CCSS.HSF-BF.A.1B

f(x) = 2x + 10

Simplify f(x+1)

• 2x + 1

• 2x + 12

• 2x + 2

• x + 21

Tags

CCSS.HSF.IF.A.2

Which option below is the same as (f∘g)(x) (How can you rewrite this)

• f(x)*g(x)

• f(g(x))

• g(f(x))

• (f*g)(x)

Tags

CCSS.HSF-BF.A.1C

f(x) = 3x + 10
g(x) = x - 2
Find (f∘g)(0)

• 16

• 4

• -4

• None of these.

Tags

CCSS.HSF-BF.A.1C

Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))

• 19

• 23

• -10

• None of these.

Tags

CCSS.HSF-BF.A.1C

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall

• The plant grows at a rate of 5/4 inch per week

• After 4 weeks the plant is 5 inches tall

• The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2