LTF: Functions vocabulary

1.) Variable symbols used to represent unspecified numbers or values a characteristic of a group of people or objects that can assume different values

2.) Function a relation in which each element of the domain is paired with exactly one element of the range relationship between input and output

3.) Independent variable the variable in a function with a value that is subject to choice the value of the variable that determines the output

4.) Dependent variable the variable in a relation with a value that depends on the value of the independent variable

6. Domain x values input of a function independent variable

7. Range y – values output of a function dependent variable

8. FUNCTION NOTATION A way to name a function that is defined by an equation. The equation y = 3x-8 is written as f(x) = 3x – 8.

9.) Discrete function points that are not connected based on counts can only be certain values Ex: the number of students in a class, number of cars in a parking lot

10.) CONTINUOUS FUNCTION can be graphed with a line or smooth curve can be measured can take any value (within a range) Ex: person’s height, time in a race, the length of a leaf