To find your constant of variation, you just need to figure out what you multiply the x by in order to get f(x). In other words, what do you multiply the 3 by to get 6? What do you multiply the 7 by to get 14? Another way to think of it is to divide f(x) by the x to get your constant.
Answer:
the answer would be 2x^2-4x
Is it too late to answer ??
Answer:
8.28
You have to do 1.38 times 2 and then times 3
