Algebra 1: Unit 5 Review

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

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

• 14x-10

• -8x+2

• 2x+2

• 2x-2

f(x) = x²+9 g(x) = x-9 Find (f-g)(x). 

• x²+x+9

• x²-x+9

• x²-x

• x²-x+18

f(x)=x²+1 g(x)=2x-5 Find (f-g)(x)

• x²-2x+6

• -x²+2x+4

• -x²-2x-6

• x²-2x-4

f(x) = 4x + 8

g(x) = x + 3,

Find (f⋅g)(x)

• 4x² + 24

• 4x² + 20x + 24

• 4x² + 12x + 24

• 4x² + 4x + 24

f(x)= x+3

g(x)= x-2

Find (g/f)(x)

• (x + 3)/(x - 2)

• (x - 2)/(x + 3)

• -2/3

• 3/2

Choose the correct equation for the graph.

Choose the correct equation for the graph.

Choose the correct equation for the graph.

Choose the correct equation for the graph.