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  • 4 years ago

when it says use the definition of derivative to find the derivative of so so and so. am i force to use f(x+h)-f(x)/h or can i manipulate the exponents instead? for instance 2x^2, the derivative of that is 4x. and x, the derivative is. and constants are always zero. i prefer this method because its quicker

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  1. precal
    • 4 years ago
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    yes but if they say you have to use the definition then you must do it in parts f(x+h) means sub x+h for x -f(x) means multiply -1 to the original function You know what the final answer is, so use that as a guide to make sure you solution works.

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