Composition of Functions and Piecewise

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

• 16

• 4

• -4

• None of these.

g(x)=3x+4
h(x)=3x-1
Find (g∘h)(x)

• -9x+11

• 4x²+4x

• 9x+1

• 9x+11

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

• 10x²

• 18x² + 4

• 6x² + 4

• 2x² + 3x + 4

f(x) = -2x + 3 
g(x) = -3x² - 1
Find f(g(5))

• 155

• -148

• -7

• -76

Match the functions below with their compositions.

• 
• 
• 
• 
• 

What is f(4)?

• -5

• 0

• 3

• 6

What is g(4)?

• -3/2

• 0

• 4

• 16

Find f(-2)

• -3

• 6

• 8

• -6

Answer the problem.

• 225

• 200

• 150

• 250

How much does he earn for a 70 hour week?

• $1020

• $1140

• $840

• He works for free!