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Which of the following expressions is the inverse of the function y equals quantity x plus 5 divided by 7?

y equals quantity x plus 7 divided by 5
y equals quantity x minus 5 divided by 7
y = 5x − 7
y = 7x − 5

Respuesta :

MissPhiladelphia
In mathematics, an inverse function is a function that "reverses" another function. To understand clearly the given expression, we write it as follows:

y = (x + 5) / 7

The inverse would be as follows:


y = (x + 5) / 7
x = 7y -5

f^-1(y) = 7x -5 <--------- LAST OPTION

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