SOLUTION Standardized   Test  Practice EXAMPLE 1 Substitute  -3  for  x . Write original function. Simplify. f  ( x )  3 x...
GUIDED PRACTICE for Example 1 1.  Evaluate the function  h ( x ) = –7 x  when  x  = 7. –49 ANSWER
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Alg1 ch0407example1

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Alg1 ch0407example1

  1. 1. SOLUTION Standardized Test Practice EXAMPLE 1 Substitute -3 for x . Write original function. Simplify. f ( x ) 3 x – 15 = = ( – 3 ) 3( – 3 ) – 15 f ANSWER The correct answer is A. A B C D = – 24
  2. 2. GUIDED PRACTICE for Example 1 1. Evaluate the function h ( x ) = –7 x when x = 7. –49 ANSWER

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