Two quantities, x and y, are directly proportional. if x is tripled, what happens to y? it is multiplied by 13. it is tripled. it is multiplied by 9. it depends on the starting value of x.

What are the domain and range of f(x)=[1/5]x

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.

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap