Unit 4.1 quick review

• 5x+1

• 6x-20

• x+9

• 5x+1

• 6x-20

• x+9

f(x) is in purple, and g(x) is in orange.

For f(x) + g(x), what is the new y-intercept?

• 4

• 3

• -2

f(x) is in purple, and g(x) is in orange.

For f(x) - g(x), what is the new y-intercept?

• 4

• 3

• 2

For f(x) + g(x), what is the new y-intercept?

• -3

• 2

• -4

For f(x) - g(x), what is the new y-intercept?

• -3

• 2

• -4

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

• 6x + 15
• 6x - 15
• -6x + 15
• 6x - 8

If  $f\left(x\right)\ =\ x-1$ and $g\left(x\right)=5x-2$ , then  $\left(f\cdot g\right)\left(x\right)=$ 

•  $5x-3$  

•  $5x^2+2$  

•  $5x^2-7x+2$  

•  $5x-7$