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Mathematics 11 Online
OpenStudy (gokuporter):

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OpenStudy (secret-ninja):

Well, it has to be negative because the slope is negative, or decreasing. hat cancels out choices C and D.

OpenStudy (secret-ninja):

*That not "hat" sorry >.<

OpenStudy (secret-ninja):

4 is a pretty big number to me here, so the fraction would make more sense because it is the only thing that fits in the space because it is slightly decreasing.

OpenStudy (secret-ninja):

If you need additional proof, I graphed the equation in GeoGebra and this is what I got.

OpenStudy (secret-ninja):

So its B. :)

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