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Unformatted text preview: f , there is exactly one image f ( x ) in the range; however, an element in the range can result from more than one x in the domain. (b) f is the symbol that we use to denote the function. It is symbolic of the equation that we use to get from an x in the domain to f ( x ) in the range. (c) If y = f ( x ), then x is called the independent variable or argument of f , and y is called the dependent variable or the value of f at x . Summary Important Facts About Functions OBJECTIVE 3 ( 29 2 4 (a) 2 3 x f x x x + =( 29 2 (b) 9 g x x =( 29 (c) 3 2 h x x =A rectangular garden has a perimeter of 100 feet. Express the area A of the garden as a function of the width w . Find the domain. w A OBJECTIVE 4 ( 29 ( 29 2 3 For the functions 2 3 4 1 find the following: f x x g x x = + = +...
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 Summer '10
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