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In this lesson, the student will get practice with evaluating a function in algebra.
First, we discuss function notation, which is how to write the function down and indicate the name of the function and the independent variable that is used as the input to the function. Next, we work several examples of functions and calculate the output values. Finally, the definition of a function is discussed so the student will learn how to work with a function in any branch of math, science, or engineering.