What are the inputs of the following function?

{(-3, 2), (-4, 2), (8, 3), (7, 1)}

{-4, -3, 7, 8}
{1, 2, 3}
{-4, -3, 1, 2, 3, 7, 8}
{1, 2, 3, 7, 8}

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

What is always true when two whole numbers are subtracted?