Given the function , which of the following represents the function after it is horizontally stretched by a factor of 3, reflected over the y-axis, and shifted up by 4 units?
Options
A
B
C
D
Answer & Analysis
Answer
C
Analysis
A horizontal stretch by a factor of 3 results in inside the square root function.
The reflection over the y-axis replaces x with −x, so the function becomes
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