What is the component of the unit vector î in the direction of a vector A = 3î + 4ĵ?
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What is the average score obtained by a student in a math test, given that the scores of 10 students are 70, 75, 80, 85, 90, 95, 100, 105, 110, and 115?
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What is the relationship between the derivative and the integral of a function?