I am confused on how to get the answer for this. I just need to know how to get this started to get the answer.. Any help is appreciated

O.CO 1.1 Limits: A Numerical and Graphical Approach Question 1, 1.1.61 Part 1 of 3 O Graph the function and then find the specified limits. If necessary state that the limit does not exist f(x) = 3x +9 find lim f(x) and lim f(x) X-3 5 KI Use une graphing tool to graph the function Click to enlarge graph lols Help me solve this View an example Get more help