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A function is a relationship between a set of inputs and a set of outputs. The key requirement is that each allowable input relates to exactly one output value. Equations are often used to define a function. That is, the relationship is given by a rule that tells how to find the output from any given input. For example f(x)= 7x-2 says in words, given an input number, say x, multiply it by 7 and subtract 2, to get the associated output. 7x - 2 is called a linear expression because its highest power is one (and a function defined by a linear expression is called a linear function. ) A linear equation is an equation between two linear expressions. Example: 2x + 3 = 7x - 2.
You can only draw one straight line through any two given points.
An output
The value that results from the substitution of a given input into an expression or function is the output. The value substituted into an expression or function is an input.
The graph of a linear function is a line with a constant slope. The graph of an exponential function is a curve with a non-constant slope. The slope of a given curve at a specified point is the derivative evaluated at that point.
You how to remember input and output is like a machine do the rest.
A function is a relationship between a set of inputs and a set of outputs. The key requirement is that each allowable input relates to exactly one output value. Equations are often used to define a function. That is, the relationship is given by a rule that tells how to find the output from any given input. For example f(x)= 7x-2 says in words, given an input number, say x, multiply it by 7 and subtract 2, to get the associated output. 7x - 2 is called a linear expression because its highest power is one (and a function defined by a linear expression is called a linear function. ) A linear equation is an equation between two linear expressions. Example: 2x + 3 = 7x - 2.
o function is given. However, if linear , then the rate of change is the same as the steepness of the graph line.
You can only draw one straight line through any two given points.
An output
The rule is what actions (operations) the function performs. The only requirement is that for each imput there is an output and that the same input always results in the same output. (Different inputs can have the same output).
The value that results from the substitution of a given input into an expression or function is the output. The value substituted into an expression or function is an input.
exponential
Linear prediction is a mathematical operation on future values of an estimated discrete time signal. Its rule is to predict the output by using the given inputs.
"A device for which the output is, within a given dynamic range, linearly proportional to the input" e.g. a spring scale is linear device for measuring weight.
A computer is a device that is used to see the input you have given.............
It will give high output when the given input is low and also give LOW output when the given input is high (Vice versa).