Determine the derivative of $f(x)=12x^2-\frac{2}{5}x-3$.

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Lesson Parent: 
Differentiation IV: Differentiation Formulas Everyone Must Know
Problem: 

Determine the derivative of $f(x)=12x^2-\frac{2}{5}x-3$.

Answer: 

$f\,'(x)=24x-\frac{2}{5}$

SAMPLE SOLUTION

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Solution: 

The function

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is a polynomial and we know what the derivative of a polynomial is. Therefore,

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