An IT shop sells laptops, tablets, and mobile phones The composite bar chart shows information on sales over the last three years.
C) which of the items increased in sale over the last three years?
Give a reason for your answer.

Answer question above and explain each step : )

What expression is equivalent to 1/2(2+3x-6)

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.