Anumeha is mowing lawns for a summer job. for every mowing job, she charges an initial fee of $ 1 0 $10dollar sign, 10 plus a constant fee for each hour of work. her fee for a 5 55-hour job, for instance, is $ 3 5 $35dollar sign, 35. let f ( t ) f(t)f, left parenthesis, t, right parenthesis denote anumeha's fee for a single job f ff (measured in dollars) as a function of the number of hours t tt it took her to complete it. write the function's formula.