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

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

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

• 5n+1

• -5n+1

• -2n+1

• -6n-1

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

Find (f + g) (x)

• 5x² + 3x

• 4x² + 3x

• 5x² - 3x

• 4x² - 40x

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

• 14x-10

• -8x+2

• 2x+2

• 2x-2

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

• 14x - 10

• -8x + 2

• 2x + 2

• 2x - 2

f(x) = 9-3x
g(x) = 5x-7
Find f(x)+g(x). 

• 14x-10

• -8x+2

• 2x+2

• 2x-2

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

• x - 3

• 3 - x

• 5x - 1

• 5x - 3

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

• 5n + 1

• -5n + 1

• -2n + 1

• -6n - 1