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11 questions from this quiz
A relationship between inputs & outputs
Exactly one output for every input
One input gives two outputs
27
14
18\frac{1}{8}81
f(x)=x2+2f(x) = x^2 + 2f(x)=x2+2
10−12x10 - 12x10−12x
-4
6
Substitution
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