# Math

posted by
**August**
.

1.Find the derivative of the function.

f(x)=x/(e^x)

2. Find the derivative of the function.

f(x)=(e^x+e^(-x))/2

posted by
**August**
.

1.Find the derivative of the function.

f(x)=x/(e^x)

2. Find the derivative of the function.

f(x)=(e^x+e^(-x))/2