Advanced MathEasyRecognising exponential growth in words
Advanced Math practice question
A quantity starts at 5 and is multiplied by 3 every hour. Which type of function models the quantity over time?
- A. An exponential functionCorrect
- B. A linear function
- C. A constant function
- D. A quadratic function
Answer: A. An exponential function
Repeated multiplication by the same factor is exponential growth.
Why the other answers are wrong
- B. A linear function
- Linear growth adds the same amount each hour.
- C. A constant function
- The quantity changes.
- D. A quadratic function
- A quadratic does not multiply by a constant factor each step.
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