The function defined by $f ( x ) = x ^ { 2 } - 9$ is/is not) a one-to-one function, whereas $g ( x ) = x ^ { 2 } - 9 ; x \geq 0$ 0 (is/is not) a one-to-one function.

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The Answer of The function defined by $f ( x ) = x ^ { 2 } - 9$ is/is not) a one-to-one function, whereas $g ( x ) = x ^ { 2 } - 9 ; x \geq 0$ 0 (is/is not) a one-to-one function.

The Function Defined By f(x)=x2−9f ( x ) = x ^ { 2 } - 9f(x)=x2−9

The Function Defined By $f ( x ) = x ^ { 2 } - 9$