b= 63 and that is your answer
We can't tell from the graph whether the left point of each step is included, or the right point. If the left, this is a graph of
y = 7 + floor(x)
A, 63. If you put in into the calculator, you divide 7 by 11 and you get an answer with a repeating decimal of 6 and 3.
a[n] = 7n - 16
The fifth term is a[5]
a[5] = 7(5) - 16 = 35 - 16 = 19
Answer: C. 19