Using the definition of the derivative, we can estimate f(117.5) as follows:
f(117.5) ≈ f(115) + 4(117.5 - 115)
= 76 + 4(2.5)
= 84
Suppose that f(x) is a function with f(115)=76 and f′(115)=4 Estimate f(117.5)
2 answers
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