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

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

82/1000, know the chain rule for derivatives!

88/1000, 1-1/2+1/3-1/4+...=? (alternating harmonic series)

83/1000, don't use the quotient rule

61/1000, integral of sqrt(x) from 1 to 9

94/1000, finding dy/dx for y^y=x

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

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

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

103/1000, a calculus problem without using calculus

85/1000, why is the integral of 1/x = ln(x)+C?

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

71/1000, limits from a graph

40/1000, derivative of ln(x+sqrt(x^2+1)), calculus 1

72/1000, integral of 1/sqrt(e^x-1), u substitution

53/1000, sketching the graph of the derivative from the original function, calculus 1

101/1000, how to convert a limit of a Riemann sum to an integral

68/1000, midpoint rule approximation for the integral of sqrt(1+x^3) from 0 to 2