This video solve a square root equation to answer an application problem.

# rate

# Ex: Find the Gradient of the Function f(x,y)=xy

This video explains how to find the gradient of a function of two variables. The meaning of the gradient is explained and shown graphically.

# Ex: Find the Gradient of the Function f(x,y)=e^(2x)sin(3y)

This video explains how to find the gradient of a function of two variables.

# Ex: Find the Gradient of the Function f(x,y)=5xsin(xy)

This video explains how to find the gradient of a function of two variables. The meaning of the gradient is explained and shown graphically.

# Ex: Use the Gradient to Find the Maximum Rate of Increase of f(x,y)=(4y^5)/x from a Point

This video explains how to use the gradient of a function of two variables to determine the maximum rate of a function of two variable from a given point. The results are explains graphically.

# What is Calculus?

This video give a brief introduction to Calculus. It also provide an example of an instantaneous rate of change from a graph and the meaning of area under a function.

# Determine When a Walker and A Runner Will Meet on a Track

This video explains how to determine when a walker and a runner will meet when moving in opposite directions on a 1/4 mile track.