Monday, 20 February 2012

What is a function

1. What is a function?
A function is described as a machine in which it consists of a input and output

2. What is the relationship between x and y?
 For example, the rule f(x) = 2x defines a function f that associates any input number with the number twice as large. If x = 5 then f(x) = 10. Two different rules define the same function if they make the same associations, for example f(x) = 3xxdefines the same function as f(x) = 2x.
Thus showing X is dependent on Y.

3. Is function a relation?
Yes it is cause if X changes Y will change as well

Done by Bowen and Darshan

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