## Trigonometry (11th Edition) Clone

For $f(x) = 3\sqrt{x} - 2$ when $x = 9, y = 7;$ $x = 4, y = 4;$ $x = 1, y = 1;$ $x = 0, y = -2$ As seen, $f(x) = 3\sqrt{x} - 2$ is the vertical stretching by 3 times and the vertical translation down by 2 units of $f(x) = \sqrt{x}$. Domain = $[0, \infty)$ Range = $[-2, \infty)$