Engineering, 04.02.2021 04:50 QueenNerdy889
. Find the derivative of y = x² – 5x using the definition of the derivative.
Answers: 3
![\displaystyle y' = \lim_{h \to 0} \frac{[(x + h)^2 - 5(x + h)] - (x^2 - 5x)}{h}](/tpl/images/1091/3756/fc32d.png)
Expand: 
Combine like terms: 
Factor: 
Simplify: 
Evaluate limit [Limit Rule - Variable Direct Substitution]: 
Simplify: 
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