(1) Suppose y=f ( x ) and 1 1 + =1 x y Find f 1 ( x ) and verify your answer. Solution: (2) Solve the following equation in the interval e ln ( sin x ) =1 of the above ( A ) x=0 ( B ) x= ( C ) x= ( D ) x = ( E ) 2 3 4 Solution: [ 0,2 ) (3) Three gears are arranged as shown below. Find the angle of the above ( A ) 9 ( B ) 50 ( C ) 89 ( D ) 130 ( E ) Solution: . (4) An eagle flies from its nest a cliff. It then flies Place an 8 miles 7 mi les in the direction northeast, where it stops to rest on in the direction south 30 west to land on top of a tree. xy coordinate system so that the origin is the bird's nest, the points east, and the y axis points north. At what point is the tree located? of the above ( A ) ( 0.950,1.978 ) ( B )( 4.950, 4,950 )( C )( 4,6.928 )( D ) ( 2,1.5 ) ( E ) Solution: x axis (5) A parallelogram has side lengths 15.4 cm the measure of the largest angle. of the above ( A ) 28.9 ( B ) 118.9 ( C ) 151.1 ( D ) 162.1 ( E ) Solution: and 9.8 cm . Its area is 72.9 c m2 . Find