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Use a Graphing Utility to Graph the Function, Approximate the Relative

Question 62

Multiple Choice

Use a graphing utility to graph the function, approximate the relative minimum or maximum of the function, and estimate the open intervals on which the function is increasing or decreasing. f(x) =x24x+1f ( x ) = x ^ { 2 } - 4 x + 1


A)  Use a graphing utility to graph the function, approximate the relative minimum or maximum of the function, and estimate the open intervals on which the function is increasing or decreasing.  f ( x )  = x ^ { 2 } - 4 x + 1  A)    Decreasing on  ( - \infty , 2 )   Increasing on  ( 2 , \infty )   Relative minimum:  ( 2 , - 3 )   B)    Decreasing on  ( 3 , \infty )   Increasing on  ( - \infty , 3 )   Relative maximum:  ( 3,12 )   C)    Decreasing on  ( 0,2 )   Increasing on  ( - \infty , 0 )  , ( 2 , \infty )   Relative minimum:  ( 0,0 )   Relative maximum:  ( 2 , - 4 )   D)    Decreasing on  ( - \infty , - 1 )  , ( 1 , \infty )   Increasing on  ( - 1,1 )   Relative minimum:  ( - 1 , - 1 )   Relative maximum:  ( 1,3 )   E)    Decreasing on  ( 1 , \infty )   Increasing on  ( - \infty , 1 )   Relative minimum:  ( - 1,1 )   Relative maximum:  ( 1,2 ) Decreasing on (,2) ( - \infty , 2 ) Increasing on (2,) ( 2 , \infty ) Relative minimum: (2,3) ( 2 , - 3 )
B)  Use a graphing utility to graph the function, approximate the relative minimum or maximum of the function, and estimate the open intervals on which the function is increasing or decreasing.  f ( x )  = x ^ { 2 } - 4 x + 1  A)    Decreasing on  ( - \infty , 2 )   Increasing on  ( 2 , \infty )   Relative minimum:  ( 2 , - 3 )   B)    Decreasing on  ( 3 , \infty )   Increasing on  ( - \infty , 3 )   Relative maximum:  ( 3,12 )   C)    Decreasing on  ( 0,2 )   Increasing on  ( - \infty , 0 )  , ( 2 , \infty )   Relative minimum:  ( 0,0 )   Relative maximum:  ( 2 , - 4 )   D)    Decreasing on  ( - \infty , - 1 )  , ( 1 , \infty )   Increasing on  ( - 1,1 )   Relative minimum:  ( - 1 , - 1 )   Relative maximum:  ( 1,3 )   E)    Decreasing on  ( 1 , \infty )   Increasing on  ( - \infty , 1 )   Relative minimum:  ( - 1,1 )   Relative maximum:  ( 1,2 ) Decreasing on (3,) ( 3 , \infty ) Increasing on (,3) ( - \infty , 3 ) Relative maximum: (3,12) ( 3,12 )
C)  Use a graphing utility to graph the function, approximate the relative minimum or maximum of the function, and estimate the open intervals on which the function is increasing or decreasing.  f ( x )  = x ^ { 2 } - 4 x + 1  A)    Decreasing on  ( - \infty , 2 )   Increasing on  ( 2 , \infty )   Relative minimum:  ( 2 , - 3 )   B)    Decreasing on  ( 3 , \infty )   Increasing on  ( - \infty , 3 )   Relative maximum:  ( 3,12 )   C)    Decreasing on  ( 0,2 )   Increasing on  ( - \infty , 0 )  , ( 2 , \infty )   Relative minimum:  ( 0,0 )   Relative maximum:  ( 2 , - 4 )   D)    Decreasing on  ( - \infty , - 1 )  , ( 1 , \infty )   Increasing on  ( - 1,1 )   Relative minimum:  ( - 1 , - 1 )   Relative maximum:  ( 1,3 )   E)    Decreasing on  ( 1 , \infty )   Increasing on  ( - \infty , 1 )   Relative minimum:  ( - 1,1 )   Relative maximum:  ( 1,2 ) Decreasing on (0,2) ( 0,2 ) Increasing on (,0) ,(2,) ( - \infty , 0 ) , ( 2 , \infty ) Relative minimum: (0,0) ( 0,0 ) Relative maximum: (2,4) ( 2 , - 4 )
D)  Use a graphing utility to graph the function, approximate the relative minimum or maximum of the function, and estimate the open intervals on which the function is increasing or decreasing.  f ( x )  = x ^ { 2 } - 4 x + 1  A)    Decreasing on  ( - \infty , 2 )   Increasing on  ( 2 , \infty )   Relative minimum:  ( 2 , - 3 )   B)    Decreasing on  ( 3 , \infty )   Increasing on  ( - \infty , 3 )   Relative maximum:  ( 3,12 )   C)    Decreasing on  ( 0,2 )   Increasing on  ( - \infty , 0 )  , ( 2 , \infty )   Relative minimum:  ( 0,0 )   Relative maximum:  ( 2 , - 4 )   D)    Decreasing on  ( - \infty , - 1 )  , ( 1 , \infty )   Increasing on  ( - 1,1 )   Relative minimum:  ( - 1 , - 1 )   Relative maximum:  ( 1,3 )   E)    Decreasing on  ( 1 , \infty )   Increasing on  ( - \infty , 1 )   Relative minimum:  ( - 1,1 )   Relative maximum:  ( 1,2 ) Decreasing on (,1) ,(1,) ( - \infty , - 1 ) , ( 1 , \infty ) Increasing on (1,1) ( - 1,1 ) Relative minimum: (1,1) ( - 1 , - 1 ) Relative maximum: (1,3) ( 1,3 )
E)  Use a graphing utility to graph the function, approximate the relative minimum or maximum of the function, and estimate the open intervals on which the function is increasing or decreasing.  f ( x )  = x ^ { 2 } - 4 x + 1  A)    Decreasing on  ( - \infty , 2 )   Increasing on  ( 2 , \infty )   Relative minimum:  ( 2 , - 3 )   B)    Decreasing on  ( 3 , \infty )   Increasing on  ( - \infty , 3 )   Relative maximum:  ( 3,12 )   C)    Decreasing on  ( 0,2 )   Increasing on  ( - \infty , 0 )  , ( 2 , \infty )   Relative minimum:  ( 0,0 )   Relative maximum:  ( 2 , - 4 )   D)    Decreasing on  ( - \infty , - 1 )  , ( 1 , \infty )   Increasing on  ( - 1,1 )   Relative minimum:  ( - 1 , - 1 )   Relative maximum:  ( 1,3 )   E)    Decreasing on  ( 1 , \infty )   Increasing on  ( - \infty , 1 )   Relative minimum:  ( - 1,1 )   Relative maximum:  ( 1,2 ) Decreasing on (1,) ( 1 , \infty ) Increasing on (,1) ( - \infty , 1 ) Relative minimum: (1,1) ( - 1,1 ) Relative maximum: (1,2) ( 1,2 )

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