Composing Functions

p(x) = 3x + 4
q(x) = 2x²
Find p(q(x))

• 10x²
• 18x² + 4
• 6x² + 4

Tags

CCSS.HSF-BF.A.1C

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

• -9
• 7
• -11
• None of these

Tags

CCSS.HSF-BF.A.1C

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

• -9x+11
• 4x²+4x
• 9x+1
• 9x+11

Tags

CCSS.HSF-BF.A.1C

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

• 3x + 4 
• 3x - 4
• 3x + 8
• None of these.

Tags

CCSS.HSF-BF.A.1C

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.

Tags

CCSS.HSF-BF.A.1C

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

f(x) = 3x - 1

g(x) = 2x + 4

Find f(g(x))

• 6x+11

• 6x + 13

• 6x² - 12

• 5x + 6

Tags

CCSS.HSF-BF.A.1C

f(x) = 3x - 1

g(x) = 2x + 4

Find g(f(x))

• 6x+11

• 6x + 2

• 6x² - 12

• 5x + 6

Tags

CCSS.HSF-BF.A.1C

When f(x) = 2x and g(x) = x²+3 , find f(g(x)).

• x²+2x+3
• 4x²+3
• 2x²+3
• 2x²+6

Tags

CCSS.HSF-BF.A.1C

When f(x) = 2x and g(x) = x²+3 , find g(f(x)).

• x²+2x+3

• 4x²+3

• 2x²+3

• 2x²+6

Tags

CCSS.HSF-BF.A.1C