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Unformatted text preview: expression with all the variables in the simplest form meaning no parenthesis, exponents etc. A real life polynomial expression would be the compound interest formula: = + A P1 rnnt The “P” stands for the principal amount placed in the bank, the “r” designates for the rate, the “n” means how the principal is compounded (if annually, then n = 1, if quarterly, then n = 4, if daily, then n = 365). “T” means time in years. If we say the principal is 1000 dollars, rate is 5 percent, and time is 10 years, this is how it will be: = + A P1 rnnt = +. × A 10001 051 10 = . A 10001 0510 ≈ . A $1628 9 This means that if you invest 1000 dollars in a bank at 5 percent interest for 10 years compounding, you will get back $1628.9 approximately....
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