# How do you use sigma notation to write the sum for #[2(1/8)+3)]+[2(2/8)+3]+...+[2(8/8)+3]#?

First just transcribe it verbatim:

Then you can simplify a bit:

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The sum can be written using sigma notation as follows:

[ \sum_{n=1}^{8} \left(2\left(\frac{n}{8}\right) + 3\right) ]

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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