<p>So, do you need help with the pond one?</p>
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<p>No. Not for Math 1. If you have just polynomial differentiation down, you should be fine. Just distribute first and they differentiate according to power rule.</p>
<p>Remember, the derivative is just the function’s rate of change. When the rate of change changes sign, it means that the function changes from increasing to decreasing or vice versa.</p>