5. Functions & Modeling

Exponential — Quiz

Test your understanding of exponential with 5 practice questions.

Practice Questions

Question 1

In the exponential function $y = a \cdot b^x$, what does the variable $a$ represent?

Question 2

A radioactive substance decays such that its mass is halved every 5 years. If you start with $100$ grams, how much will remain after $10$ years?

Question 3

Which of the following describes a situation of exponential growth?

Question 4

If a population grows by $5\%$ annually, what is the growth factor in the exponential function $y = a \cdot b^x$?

Question 5

Convert the decay rate of $25\%$ into a decay factor.