Function Operations and Inverses

When f(x) = 9 - 3x and g(x) = 5x - 7

find f(x) + g(x).

• 14x - 10

• -8x + 2

• 2x + 2

• 2x - 2

Tags

CCSS.HSF-BF.A.1B

Given f(x) = -x + 4 and g(x) = 6x + 3, find (f(x) - g(x))

• -7x + 1

• 5x +1

• -5x -1

• 5x + 1

Tags

CCSS.HSF-BF.A.1B

Complete the operation and evaluate.

• 
• 
• 
• 

Tags

CCSS.HSF.IF.A.2

Perform the indicated operation.

• 
• 
• 
• 

Tags

CCSS.HSF-BF.A.1B

Perform the indicated operation and evaluate at the given value.

• 
• 
• 
• 

Tags

CCSS.HSF.IF.A.2

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

• 19
• 23
• -10
• None of these.

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

• 8
• -8
• 28
• None of these.

f(x) = 6x-8
g(x) = -4x-7
Find 3f(x)-g(x). 

• 22x-17
• 14x-31
• 22x-31
• 10x-1

When solving f(g(x)) you work in what order?

• Left to right
• Alphabetical
• INSIDE then OUT
• It doesn't matter what you solve first, just pick your favorite letter.

• -5

• -3

• 0 

• 2