Answer:Umm i have no idea because im in middle school, sorry
Step-by-step explanation:
5 and 6 are true but 7 is not true. If you divide an odd number by 2 it's not going to be half of it

<h2>
Explanation:</h2>
In this exercise, we have the following functions:

And they are defined for all real numbers x. So we have to write the following expressions:
First expression:

That is, we subtract s(x) from r(x):

Second expression:

That is, we get the product of s(x) and r(x):

Third expression:
Here we need to evaluate:

First of all, we find the sum of functions r(x) and s(x):

Finally, substituting x = -2:

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Parabola: brainly.com/question/12178203
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Answer:
??? what do you mean?
Step-by-step explanation: