Teach-Tech is an online job listing site for prospective teachers. The charge to teachers
looking for jobs is $19 per week, for the first 4 weeks, to post their resumes. After four weeks
the cost is $7 per week.
a. If w represents the number of weeks, represent the cost cw) as a piecewise function
b. Find the cost of listing a resume for 8 weeks.

Respuesta :

Sarith

a) f(w) = 19w if x≤4

f(w) = 7w if 4∠w

b) Because 8 weeks is past 4 weeks, we use the second function to solve:

f(w) = 7(8) or $56