6 plates and 5 cups cost 23.80 dollars. 7 plates and 6 cups cost 28.00 dollars. Each plate costs the same amount as the other pl
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Use the power rule for differentiation:
You can use this formula if you remember that a root is just a rational exponential:
So, remembering that the derivative of the logarithm is 1/x, you have
Which you can rewrite as