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Q: What is the output of this function if the input is 2?
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It is the process which converts the input to output.


What is the output value if the input value is 4?

Anything you like - it depends on the function that relates the output to the input.


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A function takes the exponential function's output and returns the exponential function's input?

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How do you find the output of the function if the input is -2?

You replace the relevant variable with -2, and do any calculation, lookup, etc., specified in the function definition.


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More input results in less output. The function is inversely proportional.


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What number will the function return if the input is 12.2?

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Why is multiplying the Input by 2 is the same as dividing the Output by 2?

It is not. Suppose the function is "add 7".Then an input of 1 gives an output of 1+7 = 8.Double the input to 2 and the output is 2+7 = 9Whereas simply halving the output gives 9/2 = 4.5So the question is based on false premises.