Adding, Subtracting, and Multiplying Functions

f(x) = 6x² + 3x + 2 and g(x) = x - 7
Find f(x) * g(x)

• 6x³ - 39x² - 19x + 14

• 6x³ - 39x² - 21x - 14

• 6x³ - 39x² - 19x - 14

• 6x³ - 45x² - 19x + 14

Tags

CCSS.HSA.APR.A.1

f(x)=4x+1 g(x)=5x−2 Find f(x)*g(x)

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2

Tags

CCSS.HSF-BF.A.1B

f(n)=2n+1
g(n)=3n
Find f(n)+g(n)

• 5n+1

• -5n+1

• -2n+1

• -6n-1

Tags

CCSS.HSF-BF.A.1B

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

Find (f + g) (x)

• 5x² + 3x

• 4x² + 3x

• 5x² - 3x

• 4x² - 40x

Tags

CCSS.HSF-BF.A.1B

If f(x) = 3x - 2 and g(x) = 2x + 1, find (f - g)(x).

• x - 3

• 3 - x

• 5x - 1

• 5x - 3

Tags

CCSS.HSF-BF.A.1B

When f(x) = 9 - 3x and g(x) = 5x - 7 find f(x) + g(x).

• 14x - 10

• -8x + 2

• 2x + 2

• 2x - 2

Tags

CCSS.HSF-BF.A.1B

f(x)=x²+1
g(x)=2x-5
Find f(x)-g(x)

• x²-2x+6

• -x²+2x+4

• -x²-2x-6

• x²-2x-4

Tags

CCSS.HSF-BF.A.1B

f(x) = 3 and g(x) = -2x + 5
Find f(x) * g(x)

• 6x + 15

• 6x - 15

• -6x + 15

• 6x - 8

Tags

CCSS.HSF-BF.A.1B

Find the product.
(2y - 7)(3y + 5)

• y² + 2y + 4

• 6y² -11y -35

• -35 -11y + 6y²

• 2y² -17y +30

Tags

CCSS.HSA.APR.A.1