Function Operations

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Add, subtract, multiply, divide functions using function notation, and find the domain of the resulting function.
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@jeslan2002 That's a good point. Sometimes I get so caught up making sure students don't distribute the exponents over addition/subtraction, that I forget to take it further and have them go straight to the result.

davidtutorsmath
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The explanations and examples are very clear to understand.

By the way, I suggest to remind the students the format of (a+b) squre=a square+2ab+b square, instead of using (a+b)(a+b)=a square +ab+ab+b square in one example, since they should have remembered this format already. As I noticed, my son didn't realize why he needs to memorize the math formats which are very important and necessary, so his speed and accuracy of the question solving are not good enough.

jeslan