The function which is even among the Choices is: Choice B: f(x) = 6x3 - 8x.
Even function
- We are required to determine which function is even.
The function which is even by convention is one which has each of its terms as an even number or a product of an even number and another number.
In essence, irrespective of the other number, when multiplied by an even number, the result is an even number.
Ultimately, from the explanation above, Choice B has all its terms even, and is therefore the function which is even.
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