Answer
a) 4
b) -21
c) -12
d) $-\frac{7}{3}$
Work Step by Step
a) $\lim\limits_{x \to b}(f(x)+g(x)) = (7-3) = 4$
b) $\lim\limits_{x \to b} f(x).g(x) = 7(-3) =-21$
c) $\lim\limits_{x \to b}4g(x) =4(-3) =-12$
d) $\lim\limits_{x \to b}\frac{f(x)}{g(x)} = -\frac{7}{3}$
