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Mathematics, 23.10.2019 13:00 rstredway7693

The amount of a radioactive material changes with time. the table below shows the amount of radioactive material f(t) left after time t.

t(hours) 0 1 2
f(t) 100 50 25

which exponential function best represents the relationship between f(t) and t?

f(t) = 0.5(100)t

f(t) = 100 (0.25)t

f(t) = 0.25(50)t

f(t) = 100(0.5)t

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