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I am both a Mechanical and an Electrical engineer ( aka use math in real life every day) and I work every day with systems described by exponential or logarithmic functions.
Just to name a few:
- Charging or discharging of a capacitor
- Any LRC circuit (or any combination thereof)
- Any SMD system (or any combination thereof)
- radioactive decay
- algorithmic efficiency
In other words, if you want to describe a real life you will probably encounter some exponential function. This comes from the fact that the solution to differential equations ( which govern most of the universe) generally contain an exponential term.
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What is a real world use of a logarithmic scale?
One of them is measuring earthquakes.
A use of periodic functions in real life?
determing current flow in ammeters
How does polynomial function exist in real life?
As with most advanced math, if your "real life" involves engineering work, you will use such math; otherwise, you will hardly have anything to do, in this case, with polynomial functions.
What is the difference in the Natural Logarithmic Function and the Common Logarithmic Function?
Natural logarithms use base e (approximately 2.71828), common logarithms use base 10.
When will you use Square root functions in real life?
The diameter of a rectangular area is the square root of the length squared plus the width squared. D = √(L²+W²).
