Explain why the tangent line approximation is a good

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Reference no: EM131603802

Question: Consider the function f(x) = √x.

(a) Find and sketch f(x) and the tangent line approximation to f(x) near x = 4.

(b) Compare the true value of f(4.1) with the value obtained by using the tangent line approximation.

(c) Compare the true and approximate values of f(16).

(d) Using a graph, explain why the tangent line approximation is a good one when x = 4.1 but not when x = 16.

Reference no: EM131603802

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