In mathematics, a function is any expression that produces exactly one answer for any given number that you give it. ... The input is the number you feed into the expression, and the output is what you get after the look-up work or calculations are finished.

How do you work out input and output in maths?

The rule for the input-output table below is: add 1.5 to each input number to find its corresponding output number. Use this rule to find the corresponding output numbers. To find each output number, add 1.5 to each input number. Then, write that output number in the table.

How do you find an input and output?

The rule for the input-output table below is: add 1.5 to each input number to find its corresponding output number. Use this rule to find the corresponding output numbers. To find each output number, add 1.5 to each input number. Then, write that output number in the table.