126/1000, how to evaluate a limit with just algebra

114/1000, 3 rectangles under y=1/x from 1 to 2

83/1000, don't use the quotient rule

82/1000, know the chain rule for derivatives!

79/1000, surface area of revolution, calculus 2

73/1000, none of the terms is zero but the sum is 0, power series of sine

121/1000, derivative of sin^-1(x), implicit differentiation

92/1000, finding the critical numbers of f(x)=x^2*e^(-0.5x)

93/1000, why is the derivative 2^x equal to 2^x*ln(2)

91/1000, they love asking this question on calculus 1 exams!

103/1000, a calculus problem without using calculus

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