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OpenStudy (anonymous):
Which graph best shows the function f(x) = 5(2)-x to represent the rate at which a radioactive substance decays?
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OpenStudy (anonymous):
GRaph A Graph B Graph c Graph D
OpenStudy (anonymous):
could this be \(y=5\times 2^{-x}\)?
OpenStudy (anonymous):
B and C don't decay, they increase A and D decay but only A has \((0,5)\) on the graph
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