Math question: Graph the inequality y < 2x + 1 on a coordinate plane.
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What is the limit of (x^2 + 3x + 2) as x approaches 5?
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A rectangular field measuring 50m x 30m is divided into 3 equal parts. If a herd of 15 cows grazes, each consuming 2 square meters of grass per hour, what's the total grass area consumed after 6 hours?