Answer:
13+5 = 18
2-(5+4) = -7
3(2-13) +2(4) = -25
a = -9/2
Step-by-step explanation:
[tex]\int\limits^3_0 {(a f(x) + g(x))} \, dx = 0[/tex]
a(2) + (5+4) = 0
2a = -9
