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Delvig [45]
3 years ago
13

Please solve this will mark brainlist

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0

Answer:

9 + (-4) & 9 - 4

Step-by-step explanation:

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Answer:

The function would be positive in:

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Step-by-step explanation:

A function is considered positive on the X-axis when the changed values ​​in the function are greater than zero.  f(x) > 0

And is considered negative when f(x) < 0.

In this case, the numbers that make the function positive are the numbers from -9 to 3, but not including -9.

This can be written as (-9, 3]

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