A rectangle has a length of x and a width of 5x^3+4-x^2. What is the polynomial that models the perimeter of the rectangle

And the width for this case is:

And we know that the perimeter is given by:

And replacing we got:

And symplifying we got:

Step-by-step explanation:

For this problem we know that the lenght of the rectangle is given by:

And the width for this case is:

And we know that the perimeter is given by:

And replacing we got:

And symplifying we got:

12 cups   is the answer

step-by-step explanation:

x:       y:  

-1         4

0         4

1         6

2         18

3         20