Asked by Latianna
How do you find the inverse for the function y=4x+12 ?
Answers
Answered by
Steve
y=f(x), so x=f^-1(y)
y = 4x+12
y-12 = 4x
y/4 - 3 = x
f^-1(y) = y/4 - 3
so, f^-1(x) = x/4 - 3
y = 4x+12
y-12 = 4x
y/4 - 3 = x
f^-1(y) = y/4 - 3
so, f^-1(x) = x/4 - 3
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