The irrational number e is known as the:
ANumerical base
BNatural base
CNautical base
DNotional base
Answer & Solution
Correct answer: B. Natural base
1. Most exponential bases met so far are integers or fractions.
2. One particular irrational number gets its own name as a base.
3. The irrational number e is called the natural base.
4. So the answer is the natural base.
_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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