Look at the graph below.

Which of the following best represents the slope of the line?
A. -5/3
B. -3/5
C. 3/5
D. 5/3

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.