Posted by **daryl** on Wednesday, December 19, 2012 at 8:38pm.

assume a circle is expanding with time where r= t+3. What is the formula for rate of change of an area of the circle with reswpect to time?

## Answer this Question

## Related Questions

- calc - Assume that a rectangle with sides x and y is expanding with time. Let y...
- calc rates - the radius, r, of a circle is growing at a rate of 3 cm/s. Find the...
- Precalculus - Hey so I need help on a problem from an assignment that my ...
- 8th grade math - circle A has a raduis that is twice the length og the raduis of...
- pre-calc - A fire has started in a dry open field and is spreading in the form ...
- pre-calc - A fire has started in a dry open field and is spreading in the form ...
- calculas - At time t=0 s, the radius of a circle is equal to 15 cm. The radius ...
- Calculus Homework - Let A(t) be the (changing) area of a circle with radius r(t...
- Algebra - You want to make a graph to show how you spend your time each day. ...
- Calculus I - Let A be the area of a circle with radius r that is increasing in ...