PreCalculus
posted by Ann .
Let f(x) = [(√x)7]/[(√x)+7]. What is f'(x)?
What is the easiest way to find the derivative of this? Should I remove all the radicals and use quotient rule, like
f'(x)= ((x^0.5) + 7)(0.5x^0.5)  ((x^0.5)7)(0.5x^0.5) / ((x^0.5) + 7)^2
Is this right? How do I simplify this? please show me thanks
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