Please Answer it’s simple but today I’m not feeling like myself who can help me? Please

Which graph represents an even function?

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Aphrase is shown read the phrase and give me the answer