Evaluate the following double integral over the region R. 2 X dA; R = {(x,y): Osxs4, 4sys9}

Evaluate the following double integral over the region R. 2 -dA, osxs4, 4sys9} Choose the two integrals that are equivalent to 2 dy dx 2 dy dx 2 dx dy 2 dx dy Evaluate the integral.