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Determine the X Values That Cause the Function to Be f(x)=(2x+1)x2(x8)2f ( x ) = \frac { ( 2 x + 1 ) \sqrt { x - 2 } } { ( x - 8 ) ^ { 2 } }

Question 215

Multiple Choice

Determine the x values that cause the function to be (a) zero, (b) undefined, (c) positive, and (d) negative.
- f(x) =(2x+1) x2(x8) 2f ( x ) = \frac { ( 2 x + 1 ) \sqrt { x - 2 } } { ( x - 8 ) ^ { 2 } }


A) (a) {2,1}\{ 2 , - 1 \} , (b) {8}(,2) \{ 8 \} \cup ( \infty , 2 ) , (c) (2,8) (8,) ( 2,8 ) \cup ( 8 , \infty ) , (d) \varnothing
B) (a) {2}\{ 2 \} , (b) {8}(,2) \{ 8 \} \cup ( \infty , 2 ) , (c) \varnothing , (d) (2,8) (8,) ( 2,8 ) \cup ( 8 , \infty )
C) (a) {2}\{ 2 \} , (b) {8}(,2) \{ 8 \} \cup ( \infty , 2 ) , (c) (2,8) (8,) ( 2,8 ) \cup ( 8 , \infty ) , (d) \varnothing
D) (a) {2,1}\{ 2 , - 1 \} , (b) {8}(,2) \{ 8 \} \cup ( \infty , 2 ) , (c) (2,8) ( 2,8 ) , (d) (8,) ( 8 , \infty )

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