Question

for each function, determine whether y varies directly with x. If so, find the constant of variation and write the function rule.
x = -2, 1, 2
y = 3, 4, 7

Answer 1

im not sure if this relation even has a function, the only thing i've found so far only works with two. am i doing this incorrectly?

Answer 2

nevermind, got the answer!