Write the sum using summation notation, assuming the suggested pattern continues. -3 + 6 + 15 + 24 + + 132

options:
a summation of negative 27 times n from n equals 0 to infinity
b summation of negative 27 times n from n equals 0 to 15
c summation of the quantity negative 3 plus 9 n from n equals 0 to infinity
d summation of the quantity negative 3 plus 9 n from n equals 0 to 15