Jane went to the grocery store with $10 in her pocket. she wants to purchase as many 12-packs of soda that she can. one 12-pack costs $3.20 and the sales tax is 8%. how many 12-packs can jane purchase?

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.