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F(x) = 7x − 13. Find f−1(x).

User Mythbu
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1 Answer

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the inverse is when you reflect the function across the identity line, y=x

to find the inverse of a function flip switch all x and y and solve for y, then replace y with f inverse

f(x)=7x-13
y=7x-13
switch
x=7y-13
solve for y
x+13=7y
(x+13)/7=y

f inverse=(x+13)/7

quantity of x plus 13 over 7
User Dave Babbitt
by
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