Two quantities, x and y, are directly proportional. if you take a third of x, what happens to y? a: it is tripled. b: it is cubed. c: it depends on the starting value of x. d: it is multiplied by 1/3.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

3, 12, 48, 384, 1536, 6144, 24576, 98304

step-by-step explanation:

just keep timing it by 4.