What is the slope of the line shown in the graph? Equation of a Line from 2 Points

a
\large -\frac{1}{2}-

b
\large -2

c
\large -5

d
\large -\frac{1}{5}

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.