PLEASE HELP! Graph F+G?????

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dallasguy90 said:
How do you graph this, I'm so confused? And how do I find the domain?

I posted this question on YAhoo Answers and nobody has helped :(

https://answers.yahoo.com/question/index?qid=20180402183032AAjwg1v
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I will help you with this.
Step 1a) Find the domain of F(x). You can think of it as follows. Now please JUST look at the graph of F and completely ignore the graph of G. Imaging moving EVERY point of F(x) either straight down to the x-axis (if the point is above the x-axis) or straight up to the x-axis (if the point is below the x-axis) or if it is on the x-axis then leave it there. Now look for all the points that are now on the x-axis and that will be the domain.

Step 1b) Do the same for G(x)

Step 2) The intersection of the domain of F (from 1a) and the domain of G (from 1b) will be the domain of F

After you find the domain of F+G we will then talk about graphing F+G

You will benefit if you look at the video at www.mathtutor1.com/Pre-Calculus/2 Domain and Range.wmv
 
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