## Permutations and Combinations – Definitions, Formulas and Examples

Permutations and combinations are ways of representing groups of objects by selecting them from a set and forming subsets. With … Read more

Permutations and combinations are ways of representing groups of objects by selecting them from a set and forming subsets. With … Read more

When we have the power of the power in exponential expressions, we find the new power by multiplying the two … Read more

The laws of exponents are some of the most important laws in algebra because they can be part of most … Read more

Inequalities with absolute value follow the same rules as an absolute value in numbers; the difference is that in inequalities … Read more

The graph of a quadratic function has a U-shaped curve and is called a parabola. We can graph a quadratic … Read more

Sine, cosine, and tangent are the most important trigonometric functions. To obtain the graphs of trigonometric functions we need to … Read more

Exponential functions have the form $latex y={{b}^x}$, where $latex b> 0$. Exponential functions are functions that remain proportional to their … Read more

To obtain the graphs of irrational functions, we need to consider the domain of the function. This is because we … Read more

The logarithmic function $latex y=\log _ {b} x$ is defined as the inverse function of the exponential function $latex y={{b}^x}$. … Read more

There are three basic methods for graphing linear functions. The first method is to plot points and then draw a … Read more