Question

The function is a rule of mathematics in which one input value has​

Answer 1

Answer:

function is a relation in which each possible input value leads to exactly one output value. We say “the output is a function of the input.” The input values make up the domain, and the output values make up the range

Answer 2

The function is a rule of mathematics in which one input value has​ a unique output value.

• function is a relationship between a set of input values and a set of output values.
• in functions, the input value maps to exactly one output value.
• The input values are called the domain of the function
• the output values are known as the range of function.
• For example, if we consider a function:  f(x) = $x^{2}$ .then it takes an input value x and produces an output value $x^{2}$.
• For any given input value, there is only one corresponding output value. So if we input x = 2, the output of the function is f(2) = $2^{2}$ = 4. If we input x = -3, the output is f(-3) = $(-3)^{2}$ = 9.
• Functions are used in many areas of mathematics and science to describe and model real-world phenomena.
• They can be represented graphically, algebraically, or using other mathematical tools.

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