Evaluate the following double integral over the region R by converting it to an iterated integral.
∬(f(x,y)) dA; R={(x,y): 0≤x≤4, 1≤y≤3}
Choose the two integrals that are equivalent to ∬(f(x,y)) dA.
∫∫(f(x,y)) dx dy
∫∫(f(x,y)) dy dx
Evaluate the integral. ∬(f(x,y)) dA = (Type an exact answer:)