Identifying Functions Quiz

$f(x) = \sqrt{x}$

$f(x) = 3x - 4$ (correct)

$f(x) = 2x^2 + 3x - 1$

$f(x) = \frac{1}{x}$

$y = \sqrt{x}$

$x^2 + y^2 = 4$ (correct)

$y = \frac{1}{x}$

$y = 2x + 3$

$y = \sqrt{x}$

$y = \frac{1}{x}$

$y = 3x + 2$

$y = x^2 + 2x - 1$ (correct)

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