Question

The equation x3 + 5x2 +1 = 7 models the volume of a shipping container where x is the width. Graph the equation to find the width of the box.

Answer 1

the width is 1.

Explanation:

gradpoint answer

Answer 2

The width of the box is 1.

Explanation:

The graph shows the expression on the left is equal to 7 when x = 1.

There are additional negative values of x for which the equation is true, but those are considered extraneous solutions in the context of the problem (widths are always positive).