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Lera25 [3.4K]
3 years ago
13

|x| + 4 > 7 plz help and hurry

Mathematics
1 answer:
Talja [164]3 years ago
4 0

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

Now, |x| is an absolute value function which is defined as:

|x|=\left \{ {{-x}\ \ x

Therefore, the given inequality can be rewritten as:

-x > 3\\x and x > 3

Therefore, the solution is (-\infty,-3)\cup(3,\infty).

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Step-by-step explanation:

Given f(x) has roots x = a and x = b, then

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