The value of which of these expressions is closest to e ?
a. (1 + 1/14)^14
b. (1 + 1/12) ^12
c. (1 + 1/13)^13
d. (1 + 1/11) ^11

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.