How do you find inverse of the function?

Question

#f(x)=(2z-3)/4#

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Answer 1 · 2017-02-12T22:22:59

#f^-1(x)=(4x+3)/2#

#f(x)=(2x-3)/4#
#y=(2x-3)/4#
#x=(2y-3)/4#
#2y-3=4x#
#2y=4x+3#
#y=(4x+3)/2#
#f^-1(x)=(4x+3)/2#