find the first 4 terms of the sequence represented by the expression 4 + 3n

a. 2, 5, 8, 11
b. 7, 10, 13, 16
c. 5, 7, 9, 11
d. 4, 6, 9, 12

1 answer

really? try using the values of n, from 1 to 4
4+3(1) = 4+3 = 7
Well, you could check the rest, but only B starts with a 7.
But note that each term is 3 more than the previous one, which reflects the "3n" in the formula.