Question

If f(x) varies directly with x, and f(x) = 12 when x = 8, write the direct linear variation equation.
(Points : 1)
A) f(x)= 8x
B) f(x) = 12x
C) f(x) = 2/3x
D) f(x) = 3/2x

Answer 1

@KamiBug any way you can help?

Answer 2

In which one of those equations can you plug in 12 for f(x) and 8 for x and the equation will be true?

Answer 3

Said simply, what number times 8 is 12? :)

Answer 4

@KamiBug Is the answer 3/2x?

Answer 5

You've got it! ^_^

Answer 6

Thanks c: