Which statement best describes how to determine whether f(x) = x4 – x3 is an even function?

What is the size of the matrix resulting from

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that