Answer: 63
Explanation:
The given arithmetic sequence is defined by the formula:
ak = 3 + 4(k - 1)
To find the 16th term, we can substitute k = 16 into this formula and simplify:
a16 = 3 + 4(16 - 1)
a16 = 3 + 4(15)
a16 = 3 + 60
a16 = 63
Therefore, the 16th term of the arithmetic sequence is 63.