I am having some trouble with this problem

For problems 5 -8, the graphs of f and g are given. Use them to evaluate each limit, if it exists. If the limit does not exist, explain why. 0 X 5. lim x-+3g(x) *+-2 6. lim [5g(x) - 6x] x-+1' 7. lim f(x) *+1- 2x-g(0)lim (4g(x)f(x) - 5x