Composition and Evaluating Functions

p(x) = 3x + 4
q(x) = 2x²
Find q(p(x))

• 6x² + 4

• 18x² + 48x + 32

• 18x² + 32

• None of these.

p(x) = 3x + 4
q(x) = 2x²
Find p(q(x))

• 10x²

• 18x² + 4

• 6x² + 4

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

• -9

• 7

• -11

• None of these

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

• -42

• -26

• -18

• None of these.

What is f(g(-3))?

Mathematical Equivalence

OFF

find f(g(1))

• 2

• 3

• 1

• -6

• 36

• 72

• 27

• 54

find g(f(1))

• -2

• -8

• 1

• 0

• (x-5)²-3

• f(f(x))=

• (x²-3)-5

• f(h(x))=

• 2(2x+6)+6

• h(g(x))=

• 2(x-5)+6

• f(g(x))=

• 2(x²-3)+6

• g(h(x))=

Find f[g(5)]

• 30

• 242

• 92

• 2