Asked by lexi

Find the domain of the function.

f(x) = -2x + 4
A. (-∞, 0) u(0, ∞)
B. (-∞, ∞)
C. [-4, ∞)
D. (0, ∞)
Answered by lexi
I think it is B but i can't be sure!
Answered by Reed
Oh, sorry, I'm not a math/calculus tutor. Can't help you. Someone else will, I'm sure.
Answered by Reiny
If B stands for any real number, then you are correct
Answered by lexi
(-∞, ∞)

Is this right?
Answered by Steve
yes - all polynomials have that domain. They are defined for any real number.
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