You have 1.5
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To find the inverse of a function you need to isolate the x
after you are done replace every x with y and every y with x (it's optional, i personaly don't do it but you need to do it if your teacher tells you so):
-10x+5=y
after you are done replace every x with y and every y with x (it's optional, i personaly don't do it but you need to do it if your teacher tells you so):
-10x+5=y
