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Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Fiona has to plot a histogram of the given data