Xavier sketches several designs for a math club Concept Application
pin. The math club voted for the pin shape to
be a right triangle. Which of the following
triangles could NOT be the shape used for the
math club pin?
13
17
А
12
15
26
D
24
12

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.

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if