Evaluate the Double Integral $\int _ { 0 } ^ { 1 } \int _ { 0 } ^ { y } ( 3 x + 2 y ) d x d y$

Multiple Choice

Evaluate the double integral $\int _ { 0 } ^ { 1 } \int _ { 0 } ^ { y } ( 3 x + 2 y ) d x d y$ . Round your answer to two decimal places, where applicable.

A) -8.83
B) 11.17
C) 2.00
D) 1.17
E) 5.00