Find f′(x)f'(x)f′(x) for f(x)=3x+1f(x) = \sqrt{3x+1}f(x)=3x+1.
3/(23x+1)3 / (2\sqrt{3x+1})3/(23x+1)
1/(23x+1)1 / (2\sqrt{3x+1})1/(23x+1)
3\sqrt{3}3
3