Answer :

Final answer:

By using the recursive function f(n) = 4f(n-1) and beginning with given f(1) = 5, we can calculate the subsequent values until we arrive at f(6). Upon computation, the value of f(6) = 5120, which doesn't match any of the given choices.

Explanation:

The initial foundation for solving this problem is understanding the recursive function provided: f(n) = 4f(n-1). You are given that f(1) = 5. Meaning that when n = 1, the value of the function is 5. Now, as per the equation, every subsequent value of the function is 4 times the previous value. So, to find the value of f(6), you repeatedly apply the function on the given value f(1) = 5.

  1. f(2) = 4 * f(1) = 4*5 = 20
  2. f(3) = 4 * f(2) = 4 * 20 = 80
  3. f(4) = 4 * f(3) = 4 * 80 = 320
  4. f(5) = 4 * f(4) = 4 * 320 = 1280
  5. f(6) = 4*f(5) = 4 * 1280 = 5120

So, none of the given options a) 320 b) 160 c) 640 d) 80 are correct.

Learn more about Recursive Functions here:

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