Problem of the Week

Updated at Apr 20, 2015 3:09 PM

To get more practice in calculus, we brought you this problem of the week:

How can we find the derivative of 7x−x7x-\sqrt{x}?

Check out the solution below!



ddx7x−x\frac{d}{dx} 7x-\sqrt{x}

1
Use Power Rule: ddxxn=nxn−1\frac{d}{dx} {x}^{n}=n{x}^{n-1}.
7−12x7-\frac{1}{2\sqrt{x}}

Done
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