Calculus Examples

Check if Differentiable Over an Interval
,
Find the derivative.
Find the first derivative.
Rewrite as .
Differentiate using the Power Rule which states that is where .
Rewrite the expression using the negative exponent rule .
The first derivative of with respect to is .
Find if the derivative is continuous on .
To find whether the function is continuous on or not, find the domain of .
Solve to find the values of that make undefined.
Set up the equation to solve for .
Take the square root of both sides of the equation to eliminate the exponent on the left side.
The complete solution is the result of both the positive and negative portions of the solution.
Simplify the right side of the equation.
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
is equal to .
The domain is all values of that make the expression defined.
is continuous on .
The function is continuous.
The function is continuous.
The function is differentiable on because the derivative is continuous on .
The function is differentiable.