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Which of the following graphs represents the function f(x) = 2^x

Consider the graph of the exponential function y=3(2)×

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