# Worksheet: Exponential Regression Model

In this worksheet, we will practice using the exponential regression features on a graphing calculator, rather than algebraic techniques, to model data exhibiting exponential growth or decay.

**Q1: **

An exponential model with the equation is fitted to a set of data. The point is part of the original data set to which the model was fitted. Calculate, to the nearest hundredth, the residual for this point.

**Q4: **

Given the quadratic regression model , calculate the value of when is equal to 2.7.

**Q5: **

Given the quadratic regression model , calculate the value of when is equal to 3.