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OpenStudy (anonymous):
What is a rule for the function (0, 1), (1, 0.5), (2, 0.25), (3, 0.125), (4, 0.625)?
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OpenStudy (anonymous):
good question. What level of math is this btw?
OpenStudy (anonymous):
it seems to be an exponential function
OpenStudy (anonymous):
8th grade Algebra honors
OpenStudy (anonymous):
\[f(x) = 2^{-x}\]
OpenStudy (anonymous):
okay
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OpenStudy (anonymous):
how did you get that answer anyway. just not getting it tonight.
OpenStudy (anonymous):
Notice that, as x increases, y steadily shrinks.
OpenStudy (anonymous):
You can visualize on wolfram alpha or plotting it yourself :) http://www.wolframalpha.com/input/?i=2+%5E+-x |dw:1321420861891:dw|
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