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Determine the X Values That Cause the Function to Be f(x)=xx+9f ( x ) = x \sqrt { x + 9 }

Question 149

Multiple Choice

Determine the x values that cause the function to be (a) zero, (b) undefined, (c) positive, and (d) negative.
- f(x) =xx+9f ( x ) = x \sqrt { x + 9 }


A) (a) {9,0}\{ - 9,0 \} , (b) (,9) ( \infty , - 9 ) , (c) (9,0) ( - 9,0 ) , (d) (0,) ( 0 , \infty )
B) (a) {9}\{ - 9 \} , (b) (,9) ( \infty , - 9 ) , (c) (9,) ( - 9 , \infty ) , (d) \varnothing
C) (a) {0}\{ 0 \} , (b) (,0) ( \infty, 0 ) , (c) (0,) ( 0 , \infty ) , (d) \varnothing
D) (a) {9,0}\{ - 9,0 \} , (b) (,9) ( - , - 9 ) , (c) (0,) ( 0 , \infty ) , (d) (9,0) ( - 9,0 )

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