# SAT : Graphed functions Quiz

Quiz
*Theme/Title: Graphed functions
* Description/Instructions

Functions such as f(x) = 2x + 1 can be represented with graphs and you will need to be able to see the relationship between a graph and its function equation (or inequality). In the example just mentioned, the function could be graphed as a straight line in which y = f(x). The domain of a function refers to all possible values for which the function is defined. In this example, any value of x will be in the function's domain, but in the function g(x)=$\frac{1}{x}$, the domain is all values of x except 0, since you can't divide by 0.
The range refers to all the values that result from applying the function. In our first example, f(x) = 2x + 1, the range is all numbers, but in the function h(x) = , the range is all non-negative numbers (this includes 0), because can never be negative for any real number.

Group: SAT Math SAT Math Quizzes
Topic: SAT

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