Omar has a new credit card. He earns 300 reward points for every 100 dollars he spends. If Omar earned 11800 reward points, how much money did he spend?

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.