Function Composition

g(a) = 4a + 1 h(a) = -3a + 2 Find g(h(1))

• 3

• -3

• 21

• -21

g(x)=3x+4
h(x)=3x-1
Find g(h(x))

• -9x+11

• 4x²+4x

• 9x+1

• 9x+11

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• 
• 
• 

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

• -9

• 7

• -11

• None of these

Given f(x) = 2x and g(x) = x²+3 , Find f_^og(x).

• x²+2x+3

• 4x²+3

• 2x²+3

• 2x²+6

f(x) = 2x + 4 g(x) = 3x + 5 (f*g)(x) =

• 5x + 9

• 6x² + 20

• 6x² + 14x + 20

• 6x² + 22x + 20

Let f(x)=2x-1 and g(x)=3x

Find f_og(x)

• 6x - 1

• 6x - 3

• 5x - 1

• 6x² - 3x

Let f(x)=2x-1 and g(x)=3x

Find g_of(x)

• 6x - 1

• 6x - 3

• 5x - 1

• 6x² - 3x

Which expression represents g_of(x)

if  f(x) = 2x - 8 and g(x) = 4x

• 8x - 32

• 8x² - 32x

• 8x - 8

• 6x - 8

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

• -9

• 28

• 8

• -8