1. LTF: Functions vocabulary

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

3. 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

4. 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

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

6. 6. Domain
x values
input of a function
independent variable

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

8. 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. 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. 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