TEST4 - MA 121 TEST 4 1. Compute 3 2 5 x a) x 4 dx b) e 2...

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MA 121 TEST 4 1. Compute a) xd x 3 2 4 b) ed x x 5 2 2. Solve: a) == = yx yy x 32 50 ,. when b) 53 xy y y = 3. Find the volume of the solid formed by revolving the region bounded by y x x x = = 90 3 3 2 , about the - axis. 4. Given a demand function Dx x () ( ) = 3 2 and a supply function Sx x x () =++ 2 21 , find a) The equilibrium point b) The consumer surplus at the equilibrium point
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