4. suppose an investment of $s1.800 doubles in value every 7 years. how much is the investment worth after 42 years?

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.

40 describe the outliers from the scatter plot.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2