Astock gained 2 points on monday, lost 5 points on tuseday, lost 1 point on wednesday, gained 4 points on thursday, and lost 6 points on friday. was the net change positive or negative? how much was the gain or loss?

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.