UPSKILL MATH PLUS

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1. If \(A = \{-2, -1, 0, 1, 2\}\) and \(f: A \rightarrow B\) is an onto function defined by \(f(x) = x^2 + x + 1\), then find \(B\).
 
Answer:
 
\(B\) \(=\)
 
[Note: Insert your answer with \(\{\}\) bracket.]
 
 
2. Define \(f\) as a function from \(\mathbb{R}\) to \(\mathbb{R}\) defined by \(f(x) = 3x - 5\). Find the values of \(a\) and \(b\) given that \((a, 4)\) and \((1, b)\) belongs to \(f\).
 
Answer:
 
\(a\) \(=\)
 
\(b\) \(=\)