Which of the following describes the graph of {x1 open circles on 1 and 2, line segment between
open circles on 1 and 2
open circles on 1 and 2, arrows pointing out
no solution

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.