Evaluate the function. f(x) = \sqrt{2x - 4} a. f(4) = Not a real number. b. f(-1) = Not a real number.
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Step 1: Evaluate f(4) for the function f(x) = √(2x - 4) f(4) = √(2(4) - 4) f(4) = √(8 - 4) f(4) = √4 f(4) = 2 Therefore, f(4) is a real number. Show more…
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