3. Which expression factors to 8(x + 2)?

8x+16

Explanation: 8(x+2)

                       8(x)+8(2)

                  you take     8(x) and it = 8x

            then you do  8(2) and that = 16

                      so your anwer is 8x+16

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)