How much time has passed when the bacteria is 8,000

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.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

The function models the number of accidents per 50 million miles driven as a function