How to Solve Permutations and Combinations? (+FREE Worksheet!)
Order matters in a permutation but not in a combination. Use this distinction when counting arrangements or selections. Open Permutations & Combinations Practice in full screen Open the Permutations & Combinations Practice in full screen → Tutor-style math help Solve Permutations and Combinations: what to notice and how to work it Probability skill Probability compares […]
How to Solve Function Notation? (+FREE Worksheet!)
Function notation is the standard language mathematicians use to describe and evaluate functions. Instead of writing “y equals 2x plus 3,” we write \(\color{blue}{f(x) = 2x + 3}\), which makes it clear we are talking about a function named f that depends on the variable x. Once you understand function notation, evaluating functions becomes a […]
