Answer :
Final answer:
The function f(x) = x + 2 - x simplifies to f(x) = 2 regardless of the value of x. Substituting x = 4 into this function also gives f(4) = 2.
Explanation:
The function given in the question is f(x) = x + 2 - x. To find the value of the function for a specific value of x, we need to substitute that value into the function. Here, we are asked to find f(4), so we substitute x = 4 into the function:
f(4) = 4 + 2 - 4
Performing the addition and subtraction gives: f(4) = 2. Therefore, the correct answer to this question isn't provided in the options. The correct answer should be f(4) = 2.
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