3 Answers
Regarding even or odd function, we have following definition.
Even function : The function is even if it satisfy the relation: f(x) = f(-x)
For example: f(x) = x^2 is even function since f(x) =f(-x) = x^2
Another example is : f(x) = cosx
Odd function: The function is odd if it satisfy the relation : f(x) = -f(-x)
For example: f(x) = sinx
f(x) = x^3, etc
For the given problem , f(x) = 2x^2 +1 which satisfy the relation f(x) = f(-x)
So, it is an even function.
Hope this helps you to clear your doubt about even or odd function.
10 years ago. Rating: 0 | |
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