Exponential functions? f (x) = 2 / (x-4) ?

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ok guy i finally ask a calculs 1/ general mathematics question lol.will post more!

2007-10-29 09:01:41 · 2 answers · asked by Josianne 3 in Science & Mathematics ➔ Mathematics

Has this to be differentiated?
f(x) = 2 (x - 4) ^(-1)
f `(x) = (- 2) (x - 4)^(- 2)
f `(x) = (- 2) / (x - 4) ²

2007-11-02 08:02:42 · answer #1 · answered by Como 7 · 1⤊ 1⤋

what's the Q

f (x) = 2 / (x-4) ??????????

f ' (x) = -2( x-4 ) ^ -2

2007-10-29 16:16:22 · answer #2 · answered by harry m 6 · 0⤊ 0⤋