What is the maximum number of pieces that a circular pizza can be cut into with 6 linear cuts?
Choose the correct choice from the following choices
A) 12
B) 13
C) 16
D) 20
E) 22
1 cut makes 2 pieces   a second cut can make 4 pieces by cutting through 2 of the pieces   a third cut can make 7 pieces by cutting through 3 of the pieces   a fourth cut can make 11 pieces by cutting through 4 of the pieces   a fifth cut can make 16 pieces by cutting through 5 of the pieces   a sixth cut can make 22 pieces by cutting through 6 of the pieces   22
<result>E</result>
What is the maximum number of pieces that a circular pizza can be cut into with 6 linear cuts?