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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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Procedures

A bacterial culture starts with 500 cells and grows by 20% per hour. Which function
gives the number of cells after $t$ hours?

$N(t) = 500 + 100t$

$N(t) = 500 \cdot (0.20)^t$

$N(t) = 500 \cdot (1.20)^t$

$N(t) = 500 \cdot (1.02)^t$