Function operations

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

Evaluate:
(f+g)(x)
f(x)=x+5
g(x)=-3x-6

• -4x-1
• -2x-1
• -4x-11
• -2x-11

• -2x+3
• -2x-9
• -8x+9
• -8x-9

• 6x-1
• 5x²-15x-6
• -8x-6
• 5x²-13x-6

Tags

CCSS.HSA-REI.B.4B

f(x)=x³-3x
g(x)=-4x+1
Find f(x)*g(x)

• -4x³-5x²-3
• -4x³+2x²-3x
• -4x⁴+x³+12x²-3x
• -4x^4-x³+12x²⁺3x

Tags

CCSS.HSA.APR.A.1

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.HSA.APR.A.1

CCSS.HSA.SSE.B.3

f(x) = 9-3x
g(x) = 5x-7
Find f(x)+g(x). 

• 14x-10
• -8x+2
• 2x+2
• 2x-2

Tags

CCSS.HSF-BF.A.1B

When f(x) = x² -9 
and g(x) = x+3 ,
find f(x) / g(x). 

• x-3
• x+3
• x-12
• x-6

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

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