Combine Functions and Inverse Functions

Given f(x) = x+3, find f(-2).

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

Find the inverse of f(x) = 5/11x +10 

• f^-1(x) = 11/5x - 22
• f^-1(x) = 5/11x - 22
• f^-1(x) = 11/5x - 110
• f^-1(x) = 5/11x - 110

Tags

CCSS.HSF-BF.B.4A

Given
 f(x) = 2x² + 5x - 17,
find f(-1). 

• f(-1) = -20
• f(-1) = -24

Tags

CCSS.HSF.IF.A.2

• -19
• -21
• 17
• -1

Tags

CCSS.HSF-BF.A.1C

Find the inverse function of f(x) = 3x - 4

• 4x + 3
• 3x + 4
• 1/3x + 4/3
• x/3 - 4/3

Tags

CCSS.HSF-BF.B.4A

Which expression represents g(f(x)) if          f(x) = 2x - 8
and
g(x) = 4x

• 8x - 32
• 8x² - 32x
• 8x - 8
• 6x - 8

Tags

CCSS.HSF-BF.A.1C

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

• -42
• -26
• -18
• None of these.

Tags

CCSS.HSF-BF.A.1C

What is the first step in finding the equation of the inverse of a function?

• get x by itself
• switch x and y
• solve for y
• write the function in inverse function notation

Tags

CCSS.HSF-BF.B.4A

Are the following inverses of each other?

• True
• False

Tags

CCSS.HSF-BF.B.4B

What is the inverse of this function?

• A
• B
• C
• D

Tags

CCSS.HSF-BF.B.4A