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I know this is long but please I really need someone's help. Given the function f(x)=4(2)^x, section A is from X=1 to X=2 and section B is from X=3 to X=4. Part A: Find the a stage rate of change of each section. Part B: How many times greater is the average rate of change of Section B than section A? Explain why only one rate of change is greater than the other.

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Since3122015
A: 8; 32 [tex]\frac{f(2)-f(1)}{2-1}\\\frac{16-8}{1}\\8\\\\\frac{f(4)-f(3)}{4-3}\\\frac{64-32}{1}\\32[/tex]

B: 4; exponential graph [tex]\frac{32}{8}\\4[/tex]

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