1- limx4x+4x216

2- limx0x2x23x

3- Find the first derivative f(x)=x2+4 Using definition of limit.

4-Offer Functions. The supply function of a certain brand of transistor radio is given by:

p=f(x)=0.0002x45+20

where x is the quantity supplied and P is the unit price in dollars.

a. Determine f '(x).

b. What is the rate of change of the unit price if the quantity supplied is 10,000 radios?