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What is the inverse of f(x)=5x-4
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5 votes
What is the inverse of f(x)=5x-4

User David Fawzy
by
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1 Answer

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It'll be 4/5 + x/5.

Switch the x to a y so:

x=5y-4

Add 4 to both sides

x+4=5y

Divide by 5 to get y by itself

(x+4)/5=y

User Victor Cui
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