Section 2.8 Function Operations and Composition
CLASSROOM EXAMPLE 3 Evaluating Combinations of Functions If possible, use the given representations of functions f and g to evaluate f ( f + g )(1) , ( f − g )( 0 ) , ( fg )( −1) , and ( −2 ). g (a)
(b)
(c) f ( x ) = 3x + 4, g ( x ) = − x
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