alleryStart learning →Which real-world models are named as being exponential in shape?
APopulations and decay
BPostcards and dining
CPavements and drains
DPassports and driving
Answer & Solution
Correct answer: A. Populations and decay
1. Ordinary polynomial functions do not model these situations well.
2. The examples given span biology, physics and finance.
3. Growth of populations, spread of viruses, radioactive decay and compounding interest are named.
4. So populations and decay are among them.
_Source: OpenStax Intermediate Algebra 2e (CC BY 4.0), Ch 10, sections 10.1-10.2 'Evaluate and Graph Exponential Functions'_
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