The table below shows the number of visitors to a museum over a seven day period.

Museum Visitors
Day of Week, x 1 2 3 4 5 6 7
Number of Visitors, N(x) 71 84 91 92 87 76 59

Which function best models this set of data?
A.
N(x) = 22x + 49
B.
N(x) = -3x2 + 74
C.
N(x) = -3x2 + 22x + 52
D.
N(x) = 3x + 68