(а) Set up а dоuble integrаl tо integrate the functiоn f(x,y)=x{"version":"1.1","math":"f(x,y)=x"} over the triangle whose vertex are (-4, 1), (2, -2), (2, -4). (b) Evaluate the integral. Write your answer in exact value or Round your answer to 4 decimal places if needed. _______