How to define a one-to-one function.
How to use one-sided limits to show that a limit does not exist.
How to solve one step inequalities
Graphing one variable inequalities on a number line
How to solve and graph absolute value inequalities with one variable.
Solving two step equations with integers
How to restrict the domain of sine so it will have an inverse function.
How to restrict the domain of cosine so it will have an inverse function.
How to restrict the domain of tangent so it will have an inverse function.
How to find the inverse of a function algebraically
How to determine one-sided and two-sided limits from the graph of a function.
How to use one-sided limits to find a vertical asymptote.
How to solve a linear equation in one variable.
How to factor trinomials when the leading coefficient is not one.
How to solve single step equations with one variable.
How to write an equation for the coordinate planes or any plane that is parallel to one.