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Mathematics

Grade10

Easy

Question

Identify the function from the graph given below:

$\sqrt{x - 1} + 2$
$\sqrt{x + 1} + 2$
$\sqrt{x - 1} - 2$
$\sqrt{x + 1} - 2$

The correct answer is: $square root of x minus 1 end root plus 2$

The parent function is $square root of x$
From the graph, $h equals 1 text and end text k equals 2$
The function of the graph is $g left parenthesis x right parenthesis equals f left parenthesis x minus h right parenthesis plus k equals vertical line x minus h vertical line plus k equals square root of x minus 1 end root plus 2$

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