The initial velocity v(in feet per second) at which a person must jump to make a slam dunk is given by R=21/2-1/64v^2 where R is the person's standing reach in feet.

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.

For what values of x is x2 + 2x = 24 true?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great