Mister Exam

Derivative of 4*sqrt(x)

Function f() - derivative -N order at the point
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The graph:

from to

Piecewise:

The solution

You have entered [src]
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4*\/ x 
4x4 \sqrt{x}
4*sqrt(x)
Detail solution
  1. The derivative of a constant times a function is the constant times the derivative of the function.

    1. Apply the power rule: x\sqrt{x} goes to 12x\frac{1}{2 \sqrt{x}}

    So, the result is: 2x\frac{2}{\sqrt{x}}


The answer is:

2x\frac{2}{\sqrt{x}}

The graph
02468-8-6-4-2-1010020
The first derivative [src]
  2  
-----
  ___
\/ x 
2x\frac{2}{\sqrt{x}}
The second derivative [src]
-1  
----
 3/2
x   
1x32- \frac{1}{x^{\frac{3}{2}}}
The third derivative [src]
  3   
------
   5/2
2*x   
32x52\frac{3}{2 x^{\frac{5}{2}}}
The graph
Derivative of 4*sqrt(x)