The graph shows the distance, y, in miles, of a moving motorboat from an island for a certain amount of time, x, in hours: What is the speed of the motorboat?

13 mph
26 mph
39 mph
117 mph

How many zeros does the function f(x)=4x3-x2+1 have

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.

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm