Question
Use a graph to estimate the critical numbers of $f(x)=\left|x^3-3 x^2+2\right|$ correct to one decimal place.
Step 1
The function given is \( f(x) = |x^3 - 3x^2 + 2| \). This is the absolute value of a cubic polynomial. Critical numbers occur where the derivative is zero or undefined, or where the function is not differentiable. Show more…
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