Oh hecc please help ASAP it was due 2 weeks ago

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Which number line represents the solution set for the inequality - x 24?

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )