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

What is (fg)(x)?

• (2x-4)/x
• 1/(2x-4)
• (2/x)-4
• DNE

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.B.3

What is g(f(x))?

• (2x-4)/x
• 1/(2x-4)
• (2/x)-4
• DNE

What is (g/f)(x)?

• (2x-4)/x
• 1/(2x²-4x)
• x/(2x-4)
• (2x-4)(x)

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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(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