Question

if the radius of a circle increases at a rate of 1/2 cm/min, how fast is the area of the circle increasing when the radius is 1cm?​

Answer 1

Answer: 2 minutes.

Step-by-step explanation: The rate for the increasing radius is 1/2cm/min. It's a full centimeter now, so it takes two minutes in total to make a full centimeter radius.

Hope this clears everything up! :)