Function 2: Ball Jimmy has 11 balls at the start of the day. He purchases 4 balls per day for
the shop keeper. Write the rule for the total number of balls as a function of
the number of the days (d). c = 11 + 4d

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?