Classify the model as exponential growth or exponential decay. identify the growth or decay factor and the percent of increase per time period. y=10(0.2)^t plz !

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.