JUST PLS HELP MEEE v_v

If g(x) is an odd function, which function must be an even function?

When only separate discreet points are graphed it is called?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours