Addition and Subtraction of Functions Review

If f(x)=3x+2 and g(x)=x−5, what is (f+g)(x)?

• • 4x−3

• • 2x+7

• • 3x−3

• • 4x−1

Tags

CCSS.HSF-BF.A.1B

Given h(x)=4x−5 and k(x)=3x+2, find (h+k)(x).

• • 7x−3

• • 7x−7

• • 7x−5

• • 7x+2

Tags

CCSS.HSF-BF.A.1B

If f(x)=2x+3 and g(x)=x²−1, what is (f+g)(x)?

• • 2x+3+x²−1

• • 2x²+2x+2

• • x²+2x+2

• • 2x²+3x−4

Tags

CCSS.HSF-BF.A.1B

Find the sum (f+g)(x) if f(x)=x³ and g(x)=2x²+x

• • x³+x²+x

• • x³+2x²+x

• • 3x³+2x²+x

• • x³+3x²+x

Tags

CCSS.HSF-BF.A.1B

If f(x)=2x²+3x and g(x)=−x²+4, what is (f+g)(x)?

• • x²+3x+4

• • x²+3x

• • x²+7x

• • x²−x+4

Tags

CCSS.HSF-BF.A.1C

If f(x)=x² and g(x)=x³, what is (f+g)(x)?

• • x²

• • 2x⁵

• • x³−x²

• • x³+x²

Tags

CCSS.HSF-BF.A.1B

If f(x)=3x²+4 and g(x)=−3x², what is (f+g)(x)?

• • 4

• • 3x²

• • 4x²

• • −3x²+4-3

Tags

CCSS.HSF-BF.A.1B

If f(x)=4x³+2x²−x+5 and g(x)=−3x³+x²+4x−1 what is (f+g)(x)?

• • x³+3x²+3x+6

• • x³+3x²+3x+7

• • x³+3x²+3x+4

• • x³+3x²+3x+3

Tags

CCSS.HSA.APR.A.1

If f(x)=x²+x+1 and g(x)=−x²−x−1 what is (f+g)(x)?

• • x²

• • 0

• • x

• • 1

Tags

CCSS.HSF-BF.A.1B

If f(x)=5x³−2x²+7 and g(x)=−5x³+3x²+x−3, what is (f+g)(x)?

• • x²+x+4

• • x²+x+2

• • x²+x+3

• • x²+x+1

Tags

CCSS.HSA.APR.A.1