Exercise 9.4 in the interactive version of “An Elementary Introduction to the Wolfram Language”. The published book does not contain an answer key for that exercise.
I’ve been puzzling over why my answer is slightly different from the expected output. Any hints?
Pay attention to where the horizontal axis crosses the vertical one in the two plots. You are probably expected to give fixed values to AxesOrigin and PlotRange, to make the various curves more easily comparable when you move the slider.