The volume may also be written as a function of . In that case, the rate of change becomes
Need help with this task =/
Dad is blowing up a balloon for his son so that the volume of the balloon is growing 1 litre per second. How fast is the ball growing, when
a) the balloon's volume is 4 litres
b) the balloon's diameter is 30 cm ?
I know that I can calculate the volume of the balloon with
I also assume the ball's growth speed can be calculated by using