Which of the following is an even function? g(x) = (x - 1)2 + 1 og(x) = 2x2 + 1 o g(x) = 4x + 2 g(x) = 2x

Second Option

Step-by-step explanation:

By definition, a function f(x) is an even function if:

This means that each input value x and its negative -x are assigned the same output value y.

To verify which of the functions is even, you must test for each of them

First option

Second option

Third option

Fourth option

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d