Question

Help please. Thanks :3

Answer 1

(a.) constant of proportionality k
y = kx
y/x = k
use the point (1,30)
30 = k

The slope will be the same answer, theyre the same thing
use two points (1,30) and (2,60)
m = (60-30)/(2-1) = 30

(b.) The equation for the line is: y = 30x