Im Stuck #4

(a) (From 1) Remember that the area of a circle with radius r is A(r) = mr2. Find the value of A'(5) and explain using pictures and full sentences what this is telling you about the area of a circle with radius 5. (b) (From 2) Write the following sentence two different ways using different version of derivative notation: "The derivative of the function x when x = 2 is 192." Explain what you see as the benefits or drawbacks of each of these notations