The length of a rectangle is 6 feet and the width is 3 feet. Find the perimeter of the rectangle.

18

Step-by-step explanation:

6+6+3+3

6+6+6

18

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)