Question

I'll Give A Medal!
If f(x) varies directly with x, and f(x) = 12 when x = 8, write the direct linear variation equation

Answer 1

f(x) = kx OR y = kx (f(x) is another way of saying y)

12 = 8k
/8 /8

1.5

12 = 8*1.5

12 = 12

Answer 2

thanks! :)