Easy math

                                         KNOW ABOUT SOME FUNCTIONS

                                Easy math

FUNCTION:

A function is a special relationship between values: Each of its input values gives back exactly one output value. It is often written as "f(x)" where x is the value you give it. Example: f(x) = x/2 ("f of x is x divided by 2") is a function, because for every value of "x" you get another value "x/2", so: * f(2) = 1 * f(16) = 8 * f(-10) = -5

Sports education

                       EASY MATH

FUNCTION:

A function is a mathematical device that converts one value to another in a known way. We can think of it as a 

machine. You feed the machine an input, it does some calculations on it, and then gives you back another value

 - the result of the calculations.

• The set of allowable inputs to a given function is called the domain of the function.

• The set of possible outputs is called the range of the function.

How we say it

This	is spoken as
	"f of x is defined as 3x"
	"j equals f of 3"

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