SOLUTION: Find the inverse of the function y = 4x – 7. Is the inverse a function?

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Question 181285: Find the inverse of the function y = 4x – 7. Is the inverse a function?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
replace all occurences of x with y and all occurences of y with x
:
x=4y-7
:
4y=x+7
:
y=(1/4)x+(7/4)
:
yes this is a linear function