Question

Explain how to estimate a rate of change at a particular point on a graph showing a non-linear relationship.

Accepted Answer

Calculating rate of change from non-linear relationship:

Find ∆y/∆x of that straight line which will be the estimated gradient at the chosen point

Front	Explain how to estimate a rate of change at a particular point on a graph showing a non-linear relationship.
Back	Calculating rate of change from non-linear relationship: Draw a tangent to the point at which you are trying to find the gradient Find ∆y/∆x of that straight line which will be the estimated gradient at the chosen point

Point Rate Change Non Linear Find Gradient Explain Estimate