Operations with Functions Evaluating Functions

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360

• h(8) = -67

Given f(x) = 2x² + 5x - 17, find f(-1). 

• f(-1) = -20

• f(-1) = -24

For the function f(x) = -3x + 3 find f(0).

• 0

• -3

• 3

• -1

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

• 14x-10

• -8x+2

• 2x+2

• 2x-2

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 and g(x) = 4x - 3
Find f(x) * g(x)

• 16x² + 8x - 3

• 16x² - 8x + 3

• 16x² - 8x - 3

• 16x² - 16x - 3

Identify the range of the following relation:

• {-6, 14, 2, 28}

• {-6,14, 0, 32, 2, 38, 4,44}

• {-6, 0, 2, 4}

• {14, 32, 38, 44}

what is the range of y=2x+1 when the domain is {-1,0,4}?

• R:{-1,1,9}

• R:{1,3,9}

• R:{-1,0,4}

• R:{3,5,9}

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

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