1.

If f(x) = x + 3, then f(x) + f(–x) is equal to(a) 3(b) 2x(c) 0(d) 6

Answer» If f(x) = x + 3, then f(x) + f(–x) is equal to

(a) 3

(b) 2x

(c) 0

(d) 6


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