If f(−x) = f(x) for all x, then the function f(x) is symmetric with respect to the y−axis.TrueFalse
Question
If f(−x) = f(x) for all x, then the function f(x) is symmetric with respect to the y−axis.
True / False
Solution
The statement is true.
Explanation
If for all , this means that the function takes the same value at and at . This property of the function indicates that it is symmetric with respect to the y-axis.
In more formal terms:
- A function is defined to be even if it satisfies the condition for every in its domain.
- The symmetry with respect to the y-axis means that the function looks the same on both sides of the y-axis.
Thus, because the condition holds for all , the conclusion that the function is symmetric with respect to the y-axis is correct.
Final Answer
True
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