SAT Nonlinear functions Question

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Question 1 · Easy · MathAugust 2024 · Q11Nonlinear functions · 0 solved

The number of bacteria in a liquid medium doubles every day. There are 72,000 bacteria in the liquid medium at the start of an observation. Which of the following represents the number of bacteria, $y$ , in the liquid medium $t$ days after the start of the observation?

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The trap here

SAT exponential growth and decay: the base is 1 + r, not r — A 3% annual increase is a base of 1.03, not 0.03. Getting the base wrong is the single most common error on SAT exponential-model questions.