February 21, 2017

Homework Help: Math (Check)

Posted by jess on Monday, March 9, 2009 at 7:11pm.

The equation y = a^x is a decreasing function a =
1) 1
2) 2
3) -3
4) .25

I think that the correct answer is 3) -3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!!

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