Mister Exam

Derivative of e^(-4x)

Function f() - derivative -N order at the point
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
 -4*x
E    
e4xe^{- 4 x}
E^(-4*x)
Detail solution
  1. Let u=4xu = - 4 x.

  2. The derivative of eue^{u} is itself.

  3. Then, apply the chain rule. Multiply by ddx(4x)\frac{d}{d x} \left(- 4 x\right):

    1. The derivative of a constant times a function is the constant times the derivative of the function.

      1. Apply the power rule: xx goes to 11

      So, the result is: 4-4

    The result of the chain rule is:

    4e4x- 4 e^{- 4 x}


The answer is:

4e4x- 4 e^{- 4 x}

The graph
02468-8-6-4-2-1010-500000000000000000500000000000000000
The first derivative [src]
    -4*x
-4*e    
4e4x- 4 e^{- 4 x}
The second derivative [src]
    -4*x
16*e    
16e4x16 e^{- 4 x}
The third derivative [src]
     -4*x
-64*e    
64e4x- 64 e^{- 4 x}
The graph
Derivative of e^(-4x)