If the input value is negative, is the output value of f(z)=-4z+12 always positive or always negative?

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asked Oct 21, 2018 46.6k views

1 Answer

Nareesa · Answer 1 · 2018-10-25T15:52:18+0000

If the input value is negative, the output value is always positive. We know this because the negative sign before the 4z will always reverse the negativity of the number that is plugged in.

If the input value is negative, is the output value of f(z)=-4z+12 always positive or always negative?

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