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Calculus question, please help!?

If k is a real number and f(x) = kx, what does f ‘ (-1) equal?

a) -1
b) k
c) 0
d) 1

2007-04-04 04:20:23 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

b ) k

2007-04-04 04:33:33 · answer #1 · answered by ? 5 · 0⤊ 0⤋

f´(x) =k for all x

2007-04-04 12:57:53 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋

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