Operations on Functions and Function Notation

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f - g)(x).

• x² + 8x + 1
• x² + 6x - 1
• 5x² + 8x - 1
• x² + 8x -1

Tags

CCSS.HSA.APR.A.1

Given  $f\left(x\right)=3x^2-2x+1$  and  $g\left(x\right)=x-4$  , find  $\left(f\times g\right)\left(x\right)$  

•  $3x^3-10x^2-7x-4$  

•  $3x^3-14x^2+9x-4$  

•  $3x^2-x-3$  

•  $3x^3+14x^2-9x-4$  

Given $f(x)=x^2+5$   and  $g(x)=2x^3-1$  , find $\left(\frac{f}{g}\right)\left(-3\right)$ .

• -14/55

• 14/55

• 2

• -2

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Find f(3) + g(2) if f(x)= x+2 and g(x)=5x-1

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Find $(f-g)(2)$ if  $f(x)=4x+10$   and  $g(x)=3x-7$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Given f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1
• 5x⁴ + 6x² - 1
• 5x² + 6x - 1
• 5x² + 8x - 1

Tags

CCSS.HSA.APR.A.1

Find f(2)

• 5

• 4

• 3

• 0

Tags

CCSS.HSF.IF.A.2

Find f(-1)

• -3

• 15

• 19

• 17

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

• A

• B

• C

• D

Tags

CCSS.HSA.SSE.A.1