What is the equation of the line that passes through the points (15,9) and (-2, 9)? y = 9 11 y = - = x +9 6 y = -17 O y = 6x +11

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.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)