(PLEASE HELP GIVING BRAINLIEST) Do each of the following represent a direct variation? If so, what is constant of a variation?

A function in which f(3) = 5/3
and f(8) = 40/9

PLEASE HELP GIVING BRAINLIEST Do each of the following represent a direct variation If so what is constant of a variation A function in which f3 53 and f8 409 class=