Zander was given two functions: the one represented by the graph and the function f(x) = (x + 4)2. What can he conclude about th
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Choice D will create an irrational number when added. This is because a rational number plus a rational number will always be irrational (you can experiment this by trying to add rational numbers to pi). For example, 3 + pi = 6.1415926..... or 
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