Describe an oscillating phenomenon that doesn't converge to a value over time. (The predator/prey phenomenon was the example; I need a different one.)

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

Which expression is equal to (f+g)(x)?