2.3a Lösning 2d

\[ \lim_{x \to \infty}\, {-7 \over x} \, = \, \lim_{x \to \infty}\, \left(-7 \cdot {1 \over x}\right) \, = \, -7 \cdot \lim_{x \to \infty}\, {1 \over x} \, = \, -7 \cdot 0 \, = \, 0 \]