5k divided by 6 times 3 divided by 2k3

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis