1 . The Function f(x )= x (1+x+x2 ) (@) has a unique derivative has a unique antiderivative ( ) has both of the above 2 . The approximate area under f (x )= 1 from x= 0 to 2= 10 using z mid point rectangles : s ( a ) 9 5q b ) 10 sq @ none of the above (3) The volume of a cone with radius 2 and height 4 is given by 1 1 x2 dx (@) or/Z 4x2 dx ( @) none of the above4. Using U. substitution, Jinx. ecooked x = a ) - ecos* + c b) p cosx + C (C) none J. A surface of a function f in two variables (@a surface in 3 dimensions b) surge curve in 3 dimensions none ( 6) Average value of the function f (x)= 4x3 on interval ( 0 , 2 ] is ( @ ) 16 (6 ) 4 (C 8 lim S cos( ).h = @ ) s sinxax ( ) So cosx dx (C ) none 2 8 The integral () converges ( b) diverges