AR 2/2/18

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

• Function

• Not a Function

• Function

• Not a Function

f(n)=n²+4n
g(n)=-n-5
Find f(n)+g(n)

• n²+3n-5

• -n³+2n-7

• n³+3n-3n

• n²-3n-5

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

• 5n+1

• -5n+1

• -2n+1

• -6n-1

Given  f(x) = 8x + 13 and g(x) = x² - 5x
Find f(x) + g(x)

• x² + 3x + 13

• 12x + 13

• 9x² - 5x + 13

• 8x +13 + x² - 5x

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

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

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