Roy chewed on two pieces of mulch on Monday, six on Tuesday, and ten on Wednesday. Which expression below could help determine the number of pieces of mulch Roy will chew after ten days if the pattern continues?
Select one:
a. 2 + (n - 1) x 4
b. 4n-4
C. 4+ (n - 1) x 2
d. 4 x (n + 1) - 2
( x is used as a multiplication symbol in this equation)