Boris exercises at least 45 minutes per day. Use t to represent Boris's amount of exercise (in minutes per day).

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To qualify for the championship, a runner must complete the race in no more than 40 minutes.

Use t to represent the time (in minutes) of a runner who qualifies for the championship​

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.