Average Monthly Temperature in Phoenix The following function approximatesaverage
Chapter 6, Problem 62(choose chapter or problem)
Average Monthly Temperature in Phoenix The following function approximatesaverage monthly temperature y (in F) in Phoenix, Arizona. Here x represents themonth, where x = 1 corresponds to January, x = 2 corresponds to February, and soon. (Source: www.weather.com)1x2 = 19.5 cos c p61x - 72 d + 70.5When is the average monthly temperature (a) 70.5F (b) 55F?
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