What is 108,200,000 149,600,000 227,900,000 778,400,000 1,424,000,000 2,867,000,000 4,488,000,000 in scientific notation

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.