SOLUTION: is the function y=(0.5)^x increasing or decreasing.

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Question 629248: is the function y=(0.5)^x increasing or decreasing.
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
The function is decreasing because dy%2Fdx+=+%280.5%5Ex%29ln%280.5%29%3C0, for all x. ln(0.5) is approximately equal to -0.69.
Here's the graph of y+=+0.5%5Ex.
+graph%28+300%2C+300%2C+-4%2C+5%2C+-2%2C+18%2C+0.5%5Ex%29+