Math question: How many critical points does the cubic function f(x) = x^3 have, and what are their coordinates?
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Math question: Graph the inequality y > 2x + 3 on a coordinate plane. (
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What is the average number of books read by 30 students in a month if the data set consists of {10, 8, 12, 15, 7, 9, 11, 13, 14, 6, 10, 10, 12, 9, 12, 8, 7, 10, 11, 13, 10, 8, 9, 11, 12, 8, 7, 9, 13, 10}?