ACT Practice Test 1 500 Grade Practice Test Questions TOC | Lumos Learning

ACT Practice Test 1 Question & Answer Key Resources ACT Mathematics Practice Questions

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The population of butterflies at a local arboretum is predicted to grow exponentially over time according to the model shown below.
\(y=a(3)^{x}\), where a denotes the initial amount, and
\(x\) = the time in years
If the initial population of butterflies is 40, how many butterflies are predicted after 4 years?