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Page 3.1: Difference Quotient
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Page 3.2: Transformations of Functions
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Page 3.3: More on Linear Functions
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Page 3.4: Absolute Value Functions
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Distances in the universe can be measured in all directions. As such, it is useful to consider distance as an absolute value function. In this section, we will investigate absolute value functions. The absolute value function is commonly thought of as providing the distance the number is from zero on a number line. Algebraically, for whatever the input value is, the output is the value without regard to sign.
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Page 3.5: More on Quadratics
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In this section, we will investigate quadratic functions, which frequently model problems involving area and projectile motion. Working with quadratic functions can be less complex than working with higher degree functions, so they provide a good opportunity for a detailed study of function behavior.