Composite functions

Which one is the same as fοg(x)

• g(f(x))

• f(g(x))

Tags

CCSS.HSF-BF.A.1C

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

f(n)=2n+1
g(n)=3n
Find f(n)+g(n)

• 5n+1
• -5n+1
• -2n+1
• -6n-1

Tags

CCSS.HSF-BF.A.1B

Which expression represents g(f(x)) if          f(x) = 2x - 8
and
g(x) = 4x

• 8x - 32
• 8x² - 32x
• 8x - 8
• 6x - 8

Tags

CCSS.HSF-BF.A.1C

Given 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

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

• x²+2x+3
• 4x²+3
• 2x²+3
• 2x²+6

Find gh(x)

• 2x + 6

• 2x + 3

• 2x² + 6

• 2x² + 3

Tags

CCSS.HSF-BF.A.1B

Find h(g(x))

• 2x + 6

• 2x + 3

• 2x² + 6

• 2x² + 3

Tags

CCSS.HSF-BF.A.1C

Find f(h(x))

• 4x²

• 2x²

• 4x⁴

• 2x³

Tags

CCSS.HSF-BF.A.1C

Find h(f(x))

• 4x²

• 2x²

• 4x⁴

• 2x³

Tags

CCSS.HSF-BF.A.1C