Find the derivative of the function
Set the derivative equal to 0
Solve for the x-values
Substitute the x-values into the original function to find the corresponding y-values
Write the points where the tangent is horizontal as ordered pairs
Find the derivative of the function
Set the derivative equal to 0
Solve for the x-values
Substitute the x-values into the original function to find the corresponding y-values
Write the points where the tangent is horizontal as ordered pairs