Introduction to functions input and output values independent practice algebra nation
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Precalculus: An Investigation of Functions is a free, open textbook covering a two-quarter pre-calculus sequence including trigonometry. The first portion of the book is an investigation of functions, exploring the graphical behavior of, interpretation of, and solutions to problems involving linear, polynomial, rational, exponential, and logarithmic functions.
We ask somebody a question, and we get an answer. An expression that produces exactly one answer for any given number that we provide the expression with, it is called a function. Input - When we input a number in an expression, it is called an input. Output - The answer we get after the calculations are finished, is called output.