University Calculus: Early Transcendentals (3rd Edition)

a)-10 b)-20 c)-1 d)$\frac{5}{7}$
a) $\lim\limits_{x \to c}f(x)g(x) = 5(-2) = -10$ b) $\lim\limits_{x \to c}2f(x)g(x)= 2(5)(-2) = -20$ c) $\lim\limits_{x \to c}(f(x)+3g(x))= (5 +3(-2)) = -1$ d) $\lim\limits_{x \to c}\frac{f(x)}{f(x)-g(x)} = \frac{5}{5-(-2)} =\frac{5}{7}$