(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Use a calculator to estimate any extrema of this function:

f(x)=5x^3-30x^2+45x+5(sqrt(x))

2. Relevant equations

3. The attempt at a solution

I don't know how to find it using a calculator.

f'(x)= 15x^2-60x+45+(5/2)x^(-1/2)

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# Essentials of Calculus use a calculator to estimate any extrema

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