The pet store can keep 14 fish in each tank. To find the number of tanks needed for 338 fish, the store manager solved the problem below. Answer is multiple 2 by 14

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.