Which of the following is an even function?

Mathematics

2 answers:

Fed [463]2 years ago

8 0

Answer:

G(x)=2x2+1

Step-by-step explanation:

Nikolay [14]2 years ago

4 0

<h3>Answer: Choice B</h3>

Consider that choice B is the same as saying 2x^2+1x^0.

The exponents 2 and 0 are both even, which is sufficient to say that the entire polynomial function itself is also even.

Something like choice A expands out and simplifies to x^2-2x+2, and that's equivalent to saying x^2+2x^1+2x^0. The presence of the x^1 term, with its odd exponent, is what makes choice A not even (it's not odd either).

Similarly, choices C and D also have exponents of 1, so they aren't even either.

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