Question: Let f(t) = t 2 4t + 5. (a) Find f'(t). (b) Find f'(1) and f'(2). (c) Use a graph of f(t) to check

Let f(t) = t² − 4t + 5.
(a) Find f'(t).
(b) Find f'(1) and f'(2).
(c) Use a graph of f(t) to check that your answers to part (b) are reasonable. Explain.

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a ft 2t 4 b f1 21 4 2 f2 22 4 0 c We see from part b that f2 0 This means that the slope of ... View full answer

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