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Which function is obtained by shifting the graph of \(y=\sqrt{x}\) 4 units to the left and 5 units upward?

Answer and explanation

Correct answer: \(y=\sqrt{x+4}+5\)

To shift the graph 4 units left, replace \(x\) by \(x+4\) inside the function. To shift it 5 units upward, add \(5\) outside the function. Thus, the required function is \(y=\sqrt{x+4}+5\). In option B, \(x-4\) shifts the graph 4 units right instead. Exam tip: a change inside the function acts in the opposite horizontal direction, while a change outside acts in the same vertical direction.

Related tags

Standard-FunctionsGraph-TransformationsSquare-Root-FunctionGraphs Of Standard FunctionsRelations And FunctionsMathematicsClass 11 Mcq

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