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2 answers:
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Answer:
A. Absolute value.
Step-by-step explanation:
We are asked to determine the type of function, if it is symmetric over the line .
We know that a line of form represents an equation of a vertical line that crosses x-axis at point
parallel to y-axis.
We know that a cubic function is symmetric about origin, while an exponential function has no symmetry.
A rational function is not necessarily symmetric to y-axis.
We know that an absolute value function is symmetric about y-axis, so our given function will be symmetric to the line and option A is the correct choice.