Hello, I do not know how to find area enclosed by two curves. The questions I am referring to are part 4 a and b.

Math 150 To prepare for Exam 3 do all these problems . You may land In those problems on the day of the Xam . You will receive 5 points on your third exam for doing to . Do not omit any of the problem Pages must be stapled together , Solutions must be presented montly Evaluate the following using right Riemann Suma with a sub - Interval : 8 ) I ( 20 2 + 0 ) dot with no b ) In since do with no 1 1 ) Evaluate the following integrals : 8 ) I ( 206 2 + 0 ) doo by People At ( 2 1 3 0 0 8 0 ) did 1 ) Jo ( @ - sin so + 4 ) do THE J ( " Bloc + 2 ) da 8 ) / 25 ( 20 0 + 1 20 doo grim can't level at IT) Find S (10) if 2 ) 8( 20 ) = 1 sine at b ) 5 ( 2 ) = 1 ( 1 2 cost ) at ( Flint Start with s ( @ ) do = 1 8 (@ ) dot ( ) de ) V ) Find the area of the region enclosed by the following curves f ( 2 ) = since and g ( 20 ) = cost for Osa S I = y 2 - 2 and y V ) For each region R , And the volume of the solid generated by R a ) R is bounded by y 2 4 1 , V = 1 + 3 and is revolved about the x- axis b ) R is bounded by y I = 1 , a = 4 and is revolved about the x- axis Ris bounded by y = 73 1 9 = 0 , * = 2 0 = 4 and is revolved about the y - axis