In: Math
1. A rock is thrown into a still pond and causes a circular ripple. if the radius of the ripple is increasing at a rate of 2 feet per second, how fast is the circumference when the radius is 19 feet?
Change in circumference=?
2. Let f(t)=5t^2=5t
a) Find f(t+h):
b) Find f(t+h)-f(t):
c) Find f(t+h)-f(t)/h :
d) Find f'(t):