Which ordered pair would form a proportional relationship with the point graphed below? 401
40
30
20
10
-80-60 -40 -29
20 40 60 80 x
420-
430+
(60,--20)
-40
(-10, 30)
(30, -15)
(-30, 10)
(80.-30)

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.