Question

If f(x) varies directly with x, and f(x) = 18 when x = 2, find the value of f(x) when x = 6.

A.
6

B.
18

C.
36

D.
54

Answer 1

plz help only 5 mins left will fan and medal

Answer 2

if u varies directly with v then u=k*v
where k is a constant


if u varies directly with v then u=k/v
where k is a constant

Answer 3

So here you have f(x) varies directly with x
can you setup the equation based on what I have above

Answer 4

i did so is c answer then

Answer 5

thats what i got

Answer 6

What did you get for the constant k after you setup the equation?

Answer 7

>> i did so is c answer then

I think that is not correct. @gamereternity