What is the limit of f(x) = (2x^3 + 5x^2 + 3x - 1) / (x^2 + 2x - 3) as x approaches -2?
+
What is the derivative of f(g(x)) with respect to x when f(x) = sin(x) and g(x) = ln(x)?
+
What is the average income of 100 people surveyed, given that 30% earned $40,000 per year, 50% earned $50,000 per year, and the rest earned $60,000 per year?