jzrivera2002
jzrivera2002
04-08-2017
Mathematics
contestada
HELP if f(x)=-14x-2, then f^-1(x)=?
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jimthompson5910
jimthompson5910
05-08-2017
Replace f(x) with y. Then swap x and y. Once the swap has been done, solve for y to get the inverse.
[tex]f(x) = -14x - 2 [/tex]
[tex]y = -14x - 2 [/tex]
[tex]x = -14y - 2 [/tex]
[tex]x+2 = -14y [/tex]
[tex]-14y = x+2 [/tex]
[tex]y = -\frac{x+2}{14} [/tex]
[tex]f^{-1}(x) = -\frac{x+2}{14} [/tex]
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