contestada

11) y = V.x - 1 A) Domain: { All real numbers. } Range: { All real numbers. } B) Domain: xs-1 Range: y = 0 C) Domain: 1 z 1 Range: y = 0 D) Domain: x 20 Range: y 2-1

Respuesta :

[tex]y=\sqrt[]{x}-1[/tex]

the square root function is defined for:

[tex]D\colon\mleft\lbrace x\in R\colon x\ge0\mright\rbrace[/tex]

In this sense, the output values will be greater than or equal to 0, however, since the graph is translated 1 unit down, the range is:

[tex]R\colon\mleft\lbrace x\in R\colon y\ge-1\mright\rbrace[/tex]

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