The surface area of a cylinder is given by the equation 2πrexponet2 +2πrh, where r is the radius of the cylinder and h is the height of the cylinder. What is the surface area of a cylinder with the radius x-1 and height 2x?
John reads an equal number of pages of a book every week. The graph below shows the number of pages of the book left to read, y, after x weeks. The equation best models the relationship between x and y is y = −25x + 175
