What is the maximum number of pieces that a circular pizza can be cut into with 5 linear cuts? Choose the correct answer:  A) 10  B) 14  C) 15  D) 16  E) 17
1 cut makes 2 pieces   a second cut can make 4 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   16
<result>D</result>
What is the maximum number of pieces that a circular pizza can be cut into with 5 linear cuts?