This lesson will expose you to some of the questions that relate to a graphical representation of functions in an X-Y plane. In an X-Y plane, the X axis represents the X-axis or the independent variable. Whereas the y-axis shows the function value or...
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Functions are mathematical entities that describe the mathematical relationship between an input and an output. That sounds very simple right? Probably not. We have managed to confuse you with two more new terms: the input and the output variables. L...
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Arithmetic Operations Function operations refer to operations such as addition, subtraction, multiplication, etc. on functions. By now you are already familiar with arithmetic operations on numbers as well as arithmetic operations involving polynomia...
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Functions are often used to model real life phenomena, or to show the relationship between two things. For example, student grades on an examination could be a function of the time they devoted to studies (i.e. there is a relationship betw...
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