Composition of Functions

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

Find (f∘g)(x)?

• 10x-1

• 10x-5

• 5x²-1

• 5x²-5

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

Find (g∘f)(x)?

• 2x²-1

• 2x-1

• 2x-2

• x-2

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

• 19
• 23
• -10
• None of these.

Find g(- 2).

• 12

• -2

• -24

• 18

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

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

• f(-1) = -20
• f(-1) = -24

g(x)=3x+4
h(x)=3x-1
Find (g∘h)(x)

• -9x+11
• 4x²+4x
• 9x+1
• 9x+11

• 34

• 71

• 35

• 142

• 2

• 15

• 7

• -9