Evaluate the expression wx when x = -15 and w = 5. wx = .
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Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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