$$\lim_{x \to -3^-}\left(\frac{x}{7}\right) = - \frac{3}{7}$$ More at x→-3 from the left $$\lim_{x \to -3^+}\left(\frac{x}{7}\right) = - \frac{3}{7}$$ $$\lim_{x \to \infty}\left(\frac{x}{7}\right) = \infty$$ More at x→oo $$\lim_{x \to 0^-}\left(\frac{x}{7}\right) = 0$$ More at x→0 from the left $$\lim_{x \to 0^+}\left(\frac{x}{7}\right) = 0$$ More at x→0 from the right $$\lim_{x \to 1^-}\left(\frac{x}{7}\right) = \frac{1}{7}$$ More at x→1 from the left $$\lim_{x \to 1^+}\left(\frac{x}{7}\right) = \frac{1}{7}$$ More at x→1 from the right $$\lim_{x \to -\infty}\left(\frac{x}{7}\right) = -\infty$$ More at x→-oo