The equation x^3 + 5x^2 +1 = 7 models the volume of a shipping container where x is the width. Graph the equation to find width of the box. (Multiple Choice)

Question

a. 1 ft.

b. 2 ft.

c. 4 ft.

d. 7 ft.

 

Answer please choose one of the answers

Answer 1

a.

 

1^3 + 5*1^2 + 1 = 1 + 5 + 1 = 7