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Identify Intervals on Which the Function Is Increasing, Decreasing, or Constant

Question 87

Multiple Choice

Identify intervals on which the function is increasing, decreasing, or constant.
- f(x) =∣x−7∣−3f ( x ) = | x - 7 | - 3


A) Increasing: (−7,∞) ( - 7 , \infty ) ; decreasing: (−∞,−7) ( - \infty , - 7 )
B) Increasing: (−3,∞) ( - 3 , \infty ) ; decreasing: (−∞,−3) ( - \infty , - 3 )
C) Increasing: (7,∞) ( 7 , \infty ) ; decreasing: (−∞,7) ( - \infty , 7 )
D) increasing: (−∞,7) ( - \infty , 7 ) ; decreasing: (7,∞) ( 7 , \infty )

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