User:Juanps90/sandbox

$$ f(x) = \frac{x+1}{3x+6} $$

$$ \frac{x+1}{3x+6} = 4x+2 $$

$$ D(f) = \mathbb{R} - \{ 3 \} $$

$$ D(g) = \mathbb{R} - \{ 1 \} $$

$$ D(h) = \mathbb{R} - \{ - 3 \} $$

$$ h(5) = 0 $$

$$ 1 $$ $$ 2 $$

$$ \mathbb{R} $$

$$ f(x) = 2^{x+1} $$ $$ f(-1) $$ $$ f(0) $$ $$ f(-2) $$