In evaluating a double integral over a region D, a sum of iterated integrals was obtained as follows: ∬Df(x, y)dA=∫5_0∫(2/5)y_0 f(x, y)dxdy+∫7_5∫(7−y)_0 f(x, y)dxdy.
Sketch the region D and express the double integral as an iterated integral with reversed order of integration.
∫b_a∫g2(x)_g1(x) f(x, y)dydx
a= b=
g1(x)= g2(x)=