1) Consider the conquer and divide relation f(n) = 2f (n / 4) +9 with f(1) = 3. a. Considering only arguments for f(n) when n = 4k, for some integer k, provide an explicit formula for f(n). b. What is f(256)? What is the big-O estimate for f(n)? C.

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A: We have to find the Z transformation of f(t) we solve it by using the given below formula

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Q: 1) Using Laplace transform methods, solve for t20 the following simultaneous differential equations…

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