Janna and Travon are creating posters for the school play. Together they will have f(t) posters after creating posters for t hours. f(t) = 5t + 3

The function f represents the fact that every hour —

Janna and Travon can make 5 posters together, and 3 posters were already made.

Janna can make 5 posters, and Travon can make 3 posters.

Travon can make 4 posters, and Janna can make 1 poster.

Janna and Travon can make 5 posters apiece, and 3 posters were already made.