The graphs of two functions f(x) and g(x) are given.Solve f(x) ? g(x).g(x)
f(x)
A. 1 ? x ? 4
B. x ? 2 or 1 ? x ? 4
C. -1 ? x ? 4
D. x ? -1 or 1 ? x ? 4
Answer: D
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Fill in the blank(s) with the appropriate word(s).