What is the inverse function of f(x)=4x-7
2 answers:
<h3>Hey there! </h3><h3>
("f" of "x") is usually the "y" variable of the mathematical problem, same thing with 
("g" of "x"), they are both part of the "y-intercepts" </h3><h3>So, basically , the inverse of 
would most likely be: 
</h3><h3>Good luck on your assignment and enjoy your day! </h3><h3>~
</h3>
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Any number inside the modulus sign becomes positive. This means and so we have,
Solving these gives us
However if we check the second solution in the original equation we obtain . This is false and so
can't be a solution.
Therefore the only solution is .
(Note: I'm not sure why the second solution didn't work but when there's a modulus sign involved it always pays to check your final answers to be sure. I'll have a think about it but in case you find out before I do, I'd be interested to know in the comments.)