Search over 10,000 free study notes

A function is a notion somewhat abstract to the non-experienced reader, but can be explained as follows: You have a domain - that is a set, e.g. the set of all yellow birds. You also have a magic box with no...

In simple terms a log is asking what power do I need to raise the base to to get that answer.For example log 2 32.In this case the "base" is 2.So what power do you have to raise 2 to, to get 32?The...

Practical applications of calculus occur more often than you would think. The most common example of them being applied to real world problems is through the relationship between distance and time. The dista...

A quadratic equation is an equation that looks like: x 2 + 4x - 2 = 0. The general form of this is written as ax 2 + bx + c = 0, where a, b and c are all numbers, and x is our unknown variable. In the exampl...

For example: 5x +25 In order to factorise we need to find a common factor for both '5x' and '25'. This factor gets taken outside of the brackets. For this example the common factor is 5. Because you can divi...