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.HSF-BF.A.1C

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

• -4x-1
• -2x-1
• -4x-11
• -2x-11

Tags

CCSS.HSF-BF.A.1B

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) = 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.HSF-BF.A.1B

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

g(x)=x-1
f(x)=x²-2x
Find (g-f)(x)

• -x²+3x-1
• -x³+x²+5x-4
• x²-3x+1
• x²+3x+1

Tags

CCSS.HSF-BF.A.1B