Really getting the pixels in there

Exponents first, then multiply (PEMDAS)
5•5•5= 125
3•3•3= 27
27•125= 3375

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?

Ibelieve the answer is b. y=0 would make the line horizontal across the x.