Evaluate the limit: lim (2x - 1) * sqrt(x+4) as x approaches 0.

Since the function $(2x - 1)\sqrt{x+4}$ is continuous at $x=0$, we can evaluate the limit by direct substitution.

$$\lim_{x \to 0} (2x - 1)\sqrt{x+4} = (2(0) - 1)\sqrt{0+4}$$

$$(0 - 1)\sqrt{4}$$ $$(-1)(2)$$ $$-2$$