Match each verbal description to the equivalent function that fits the description. Reset Next Match each verbal description to the equivalent function that fits the description.

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Step-by-step explanation:

Decay is defined by the function as,

f(t) =

Here, r = rate of decay

t = duration of decay Or time (In years)

n = Number of times of decay in a year

Decay every 2 years over a period of t years,

f(t) =

    =

Therefore, will be the answer.

Decay 2 times a year over a period of t years,

f(t) =

Therefore, will be the answer.

Decay once per year over a period of t years,

f(t) =

    =

Therefore, will be the answer.

i think it would be 42cm