This video explains how to determine curvature using short cut formula for a function of x.
This video explains how to determine the open intervals for which a function is concave up or concave down. The points of inflection are also found.
This video proves the derivative of f(x)=log_a(x) using the change of base formula.
This video explains how to estimate the number of red marbles from a bag of marbles using a sample statistic.
This lesson explains how to set up and solve percent application problems using the an equation.
This lesson explains how to set up and solve percent problems using the percent equation.
This video provides 4 examples of how to answer basic percent questions using the percent equation.