Suppose that the relation S is defined as follows. s={(-9, -9),(-2, -7),(-2, 7)}
Give the domain and range of S.
Write your answers using set notation.
domain =
range =
.

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.