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skad [1K]
3 years ago
7

how would you say "the function is positive from -9 to 3 over the x axis but -9 is not included" using interval notation​

Mathematics
1 answer:
notka56 [123]3 years ago
5 0

Answer:

The function would be positive in:

<u>(-9, 3] </u>

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]

It means that -9 is not taken but any number greater than -9 is.

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