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Combining like terms $4x$ and $13x$
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$derivdef\left(17x-9\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of 4x+13x+-9 using the definition. Combining like terms 4x and 13x. Find the derivative of 17x-9 using the definition. Apply the definition of the derivative: \displaystyle f'(x)=\lim_{h\to0}\frac{f(x+h)-f(x)}{h}. The function f(x) is the function we want to differentiate, which is 17x-9. Substituting f(x+h) and f(x) on the limit, we get. Multiply the single term 17 by each term of the polynomial \left(x+h\right). Multiply the single term -1 by each term of the polynomial \left(17x-9\right).