Question

Write a function rule for “The output is 5 less than the input.” Let x be the input and let y be the output.

Answer 1

The output is 5 less than the input is equivalent to the
input is five more than the output or x + 5 = y

Answer 2

The function is: y = x - 5.

Given: Input = x and y = output

Given: The output is 5 less than the input.

So the function is: y = x - 5.

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