What is a function? - Functions and their graphs - Algebra II - Khan Academy
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Menu Quantile Tools. Main Menu. Use the definition of rational numbers to derive and distinguish irrational numbers. Approximate a trend line and identify the relationship as positive, negative, or no correlation. Identify and interpret the intercepts, maximum, minimum, and the axis of symmetry. Use the zeros and other properties to graph the polynomial function. Verify that two functions are inverses using their graphs or composition of functions.
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