## Algebra and Trigonometry 10th Edition

As $h \to 0^{+}$, $f(h) \to 0.5$ and $g(h) \to 0.5$
We can see that as $h \to 0$ from the right, both f(h) and $g(h)$ approach $0.5$. Therefore, as $h^{+} \to 0^{+}$, $f(h) \to 0.5$ and $g(h) \to 0.5$.