- #1
Jan Hill
- 63
- 0
Homework Statement
When a circular plate of metal is heated in an oven, its radius increases at a rate of
0.04 cm/min At what rate is the plate's area increasing when r is 54 cm
Homework Equations
The Attempt at a Solution
let r be the radius
dy/dr = 0.04 cm/min
but where to go from here?