Which of the following best describes using a slope of -2/3 on a graph??

Move down 2 and left 3
Move down 2 and right 3
Move left 2 and up 3
Move up 2 and right 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.