Use the graph to estimate the temperature

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Reference no: EM13178061

On 22 January 1943, the temperature T,in degrees Fahrenheit,in Spearfish,South Dakota could be approximated by T=-2.15m+54 where m is the number of minutes since 9:00 that morning.
a) Find the temperature at 9:01 A.M.,at 9:08 A.M.,and at 9:20 A.m.
b) Graph the equation and use the graph to estimate the temperature at 9:15 A.M.
c) The temperature stopped dropping when it reached -4 degrees Fahrenheit. At what time did it occur?

Reference no: EM13178061

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