Texas HS Algebra 1 Question of the Day

Test your knowledge with a hand-picked multiple-choice question.

Bacteria in a culture were counted each hour. An exponential regression for $N = a b^h$ (with $h$ in hours) returns $a = 95.7$, $b = 1.47$, and $R^2$ near 1. Which model best fits, and what does $b=1.47$ mean?

Select an answer and click Check.