Question

I will medal and fan.... I'm a little confused on how to do this quadratic variation equation. Could someone please explain this to me? (please show all your work)

Write the quadratic variation equation. y varies directly with x2 and y=15 when x=3

Answer 1

y = kx^2
where k is some sonstant
now plug in y =15 and x = 3 into the above to find the values of k
then insert value of k to get the function