I need help with this problem.. this is all the information I have and I'm having trouble with where to begin

118. Use the following graphs and the limit laws to evaluate each limit. 10 8- CO 6- 6- 4- 4- -12 -10 -8 -6 -4 O 2 4 6 10 * 4 X - 2+ 16 -14 -12 -10 -8 -6 2 -2V -4- -6- -6- -8- -8- -10- -10- y = f(x) y = g(x) a. limx--3+(f(x)+g(x)) b. limx-0 f (x)g(x) 3 c. limx-1(f (x))2