Question

Calculus help!!

Each side of a square is increasing at a rate of 6cm/s. At what rate is the area of the square increasing when the area of the square is 16cm2

Answer 1

A = x^2
dx / dt = 6
When A = 16, x = 4
dA/dt = 2x dx/dt
dA/dt = 2(4)(6) = 48

Answer 2

do you understand how dA/dt = 2x dx/dt?

Answer 3

No I was trying to understand