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HSF.LE.A.1.c Tutor Intake — Constant Percent Rate and Exponential Models

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Grade 9·12 problems·~14 min·Common Core Math - HS Functions·standard·hsf-le-a-1c

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Concepts

A quantity "doubles every 5 years." Which of the following is the correct exponential
function if the initial value is $a$ ?

$f(t) = a \cdot 2^t$

$f(t) = a \cdot 2^{t/5}$

$f(t) = a \cdot (1.5)^t$

$f(t) = a \cdot (0.5)^t$