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1. Let \(f\) and \(g\) be two functions given by
\(f = \{(0, 1), (2, 0), (3, -4), (4, 2), (5, 7)\}\)
\(g = \{(0, 2), (1, 0), (2, 4), (-4, 2), (7, 0)\}\). Then the range of \(f \circ g\) is:
2. Let \(f(x) = \sqrt{1 + x^2}\) then:
3. If \(g = \{(1, 1), (2, 3), (3, 5), (4, 7)\}\) is a function given by \(g(x) = \alpha x + \beta\), then the values of \(\alpha\) and \(\beta\) are
4. \(f(x) = (x + 1)^3 - (x - 1)^3\) represents a function which is
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