Intro to Functions

p(x) = 3x + 4
q(x) = 2x²
Find p(p(-3))

• -9

• 7

• -11

• None of these

Tags

CCSS.HSF-BF.A.1C

p(x) = 3x + 4
q(x) = 2x²
Find p(q(x))

• 10x²

• 18x² + 4

• 6x² + 4

Tags

CCSS.HSF-BF.A.1C

f(x)=x²-4
h(x)=3x+3
f(h(x))

• 3x²-9

• 12x²+8x+5

• 16x²-36x+20

• 9x²+18x+5

Tags

CCSS.HSF-BF.A.1C

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

• 19

• 23

• -10

• None of these.

Tags

CCSS.HSF-BF.A.1C

Given f(x) = x² - 3 and g(x) = x - 3, find f(g(f(3))).

• 0

• 3

• 6

• 9

Tags

CCSS.HSF-BF.A.1C

If f(x) = 5x and g(x) = 2x-1,

what is the composition f(g(x)) ?

• 10x-1

• 10x-5

• 5x²-1

• 5x²-5

Tags

CCSS.HSF-BF.A.1C

What does it mean to find the inverse of a function?

• the x's and y's are switched

• the x's and y's are divided by 2

• the x's and y's are made negative

• the x's and y's are the same

Tags

CCSS.HSF-BF.B.4A

• Inverse Functions

• Not Inverse Functions

Tags

CCSS.HSF-BF.B.4B

To prove two functions are inverses of each other, both f(g(x)) and g(f(x)) should equal...

• 1

• x

• 0

• y

Tags

CCSS.HSF-BF.B.4B

• Inverse Functions
• Not Inverse Functions

Tags

CCSS.HSF-BF.B.4B