The answer is C. The domain is all points between -8 and 8 since it keeps waving back and forth. The range is all real numbers the graph continues on forever. And it is not a function because it does not pass the vertical line test
Answer:
I would reject the null hypothesis because it falls outside of the 95% confidence interval.
First you had to expanded form.


Finally you can also add by similar to elements.


Final answer: 
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-Charlie
The photo is blurry but the answer is 23