4 years ago

What describes the components of the arithmetic sequence formula?

1 answer:

6 0

$a_{n}=a_{1}+d(n-1)$

an is the 'nth' term
a1 is first term
d=common difference (found by doing $a_{n}-a_{n-1}$ )
n=numerical representation of which term

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Answer:

The solution is $(-\infty,-3)\cup(3,\infty)$ .

Step-by-step explanation:

Given:

The inequality given is:

$|x|+4>7$

In order to simplify for 'x', we first isolate 'x' on one side.

Adding -4 on both sides, we get:

$|x|+4-4>7-4\\\\|x|>3$

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