General Mathematics
Operations and Composition of Function
Functions can be added, subtracted, multiplied, divided, and even create new function out of two functions. Just as algebraic expressions are evaluated by adding, subtracting, multiplying and dividing, so do functions. Operations on functions follow the rules of algebra.
Intercepts, Zeros and Asymptotes of Rational Functions
A rational function may or may not have zeros. The zeros of a function is the value of x that will make the function value y equal to zero. On the other hand, the graph of a rational function can have x- and/or y-intercepts. Intercepts are values of x or y where the graph touches the x and y axes respectively.
Real-Life Representations of Logarithmic Functions
John Napier of Merchiston (550 - 4 April 1617); also signed as Neper, Nepair; nicknamed Marvellous Merchiston) was a Scottish landowner known as a mathematician, physicist, and astronomer. He was the 8th Laird of Merchiston. His Latinized name was Ioannes Neper. John Napier is best known as the discoverer of logarithms. He also invented the so-called "Napier's bones" and made common the use of the decimal point in arithmetic and mathematics. (Wikipedia)
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Simple and Compound Interests
Have you had an opportunity or experience in saving money in the bank? What benefit do you get in saving or putting money in financial institutions? Interest may be defined as the share or percentage of money or goods being invested or deposited which serves as incentive to clients. There are two kinds of interest, namely, simple interest and compound interest.
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