Mathematics
jacque81
2015-11-02 14:25:00
if f (x) =-14x-2, then f^-1 (x) =
ANSWERS
KyongIwanski332
2015-11-02 20:40:48

Hi! Switch up the variables: y = -14x - 2. x = -14y - 2. Add 2 to both sides. x + 2 = -14y - 2 + 2. x + 2 = -14y. Divide by -14 on both sides. (x + 2) / -14 = -14y / -14. (x + 2) / -14 = y. Change the y to f^-1(x). f^-1(x) = (x + 2) / -14. Hopefully, this helps! =)

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