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  • 5 years ago

Use an inequality to solve the following problem. If R=0.037t+50.1 can be used to predict the world record in the 400 meter dash in "t" years from 1925, for what years will the world records be 48.1 seconds or less. I am in desperate need on this one.If someone could help me it would be awesome.

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spraguer (Moderator)
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