Please help the correct awnser gets brainlist 3 1/2 x 4

A. 3/4

B. 7 1/2

C. 12 3/4

D. 14

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?