Question:

All edges of a cube are expanding at a rate of 6 centimeters

Last updated: 7/17/2022

All edges of a cube are expanding at a rate of 6 centimeters

All edges of a cube are expanding at a rate of 6 centimeters per second. (a) How fast is the surface area changing when each edge is 4 centimeters? (b) How fast is the surface area changing when each edge is 11 centimeters?