With the given data, the first step to take is to use MS excel to plot the data then determine the trendline in which the equation's r2 value is closest to 1. From the plot obtained from Excel, the plot is a second degree polynomial and not an exponential function. the answer hence is no.
Step-by-step explanation: First you multiply the grocery store purchases by 3%, then you multiply the other purchases by 1.5%. Then you add together to get your total cash back
