### Concept (1)

Throughout mathematics, we find function notation. Function notation is a way to write functions that is easy to read and understand. Functions have dependent and independent variables, and when we use function notation the independent variable is commonly x, and the dependent variable is F(x). In order to write a relation or equation using function notation, we first determine whether the relation is a function.

### Sample Problems (7)

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g(x) = 4x − 3

a) Find g(3)
b) Find x when g(x) = 29
###### Problem 2
How to evaluate a function for a given x value.
###### Problem 4
Reading function notation from a graph and relating function notation to Carteesian Coordinates
###### Problem 5
Adding, subtracting, multiplying and dividing functions with numerical inputs
###### Problem 6
Adding, subtracting, multiplying and dividing functions with variable inputs
###### Problem 7
Interpreting function notation as a way of representing substitution