Question: Consider the function (a) Use a computer algebra system to graph the function and use the graph to approximate the critical numbers visually. (b) Use

Consider the function

f(x) cos TTX x + 1 -2 0 < x < 4.

(a) Use a computer algebra system to graph the function and use the graph to approximate the critical numbers visually.

(b) Use a computer algebra system to find ƒ' and approximate the critical numbers. Are the results the same as the visual approximation in part (a)? Explain.

f(x) cos TTX x + 1 -2 0 < x < 4.

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