Give a function that does not have an inflection point at a point where $f''(x) = 0$. Choose the correct answer below. A. $f(x) = x^3$ B. $f(x) = x^{\frac{2}{3}}$ C. $f(x) = x^{\frac{1}{3}}$ D. $f(x) = x^4$
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Step 1: An inflection point occurs when the second derivative of a function changes sign at a point. Show more…
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