Adding and Subtracting Functions Retake

f(n)=x²+1
g(n)=2x-5
Find f(n)-g(n)

• x²-2x+6
• -x²+2x+4
• -x²-2x-6
• x²-2x-4

Tags

CCSS.HSF-BF.A.1B

If f(x) = (4x²+ x) and g(x) = (x²+ 2x)

Find f(x) - g(x).

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Tags

CCSS.HSF-BF.A.1B

If a(x) = (4n⁴ - 8n + 4) and b(x) = (8n² + 4n⁴ + 1)

Find a(x) - b(x)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

Tags

CCSS.HSA.APR.A.1

If f(x)= (4x - 2x³) and g(x) =(5x³ - 4x + 5)

Find f(x)+g(x)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² + 5

• 7x³ + 8x + 5

Tags

CCSS.HSA.APR.A.1

If c(x)= (3 - 2x + 2x²) and d(x)= (4x - 5 + 3x²)

Find (c+d)(x)

• 7x - 7x + 5x²

• 5x² + 2x - 2

• 5x²

• 5x² + 6x + 8

Tags

CCSS.HSA.APR.A.1

If g(x) = (x-2) and p(x) = (x²+3)

Find g(x)+p(x)

• x²+x+1

• x³+5

• x³+1

• x³-1

Tags

CCSS.HSF-BF.A.1B

If h(x) = (6b³ + 6 - b⁴) and g(x)= (8b³ - 6b⁴ + 2)

Find (h-g)(x).

• 4b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 4

• b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 7

Tags

CCSS.HSA.APR.A.1

Add.

(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

Tags

CCSS.HSA.APR.A.1