function operations

When f(x) = 9 - 3x and g(x) = 5x - 7

find f(x) + g(x).

• 14x - 10

• -8x + 2

• 2x + 2

• 2x - 2

Tags

CCSS.HSF-BF.A.1B

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

• 8
• -8
• 28
• None of these.

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

When f(x) = x² + 9 and g(x) = x - 9,

find f(x) - g(x).

• x² + x + 9

• x² - x + 9

• x² - x

• x² - x + 18

Tags

CCSS.HSF-BF.A.1B

f(x)=2x + 4

g(x)=3x² - 1

Find f(x) ⋅ g(x)

• 6x⁴ + 12x³ - 4x² - 8x

• -6x³ + 12x² + 2x - 4

• 6x³ + 12x² - 2x - 4

• 5x² - 18x + 20

Tags

CCSS.HSF-BF.A.1B

f(x) = 4x + 8

g(x) = x + 3,

Find f(x) ⋅ g(x)

• 4x² + 24

• 4x² + 20x + 24

• 4x² + 12x + 24

• 4x² + 4x + 24

Tags

CCSS.HSF-BF.A.1B

Perform the indicated operation.

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Tags

CCSS.HSF-BF.A.1B

Perform the indicated operation and evaluate for the given value.

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Tags

CCSS.HSF.IF.A.2

Perform the indicated operation and evaluate at the given value.

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Tags

CCSS.HSF.IF.A.2

 $If\ f\left(x\right)=\ \ 2x\ +\ 1\ and\ h\left(x\right)=3x+2,$  

 $find\ \left(f\circ h\right)\left(x\right).$  

•  $f\left(h\left(x\right)\right)=5x+3$  

•  $f\left(h\left(x\right)\right)=6x+5$  

•  $f\left(h\left(x\right)\right)=6x+2$  

•  $f\left(h\left(x\right)\right)=x+1$  

Tags

CCSS.HSF-BF.A.1C