Apre-paid cell phone company charges $19.75 as a monthly access fee and $0.08 per minute of calling time. express the monthly cost c as a function of x , the number of minutes

What is the diagram u didn't post that

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?