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GaryK [48]
3 years ago
8

Find the derivative of f(x) = 7 divided by x at x = 1.

Mathematics
2 answers:
Wewaii [24]3 years ago
6 0

just took test it is x= -7

julsineya [31]3 years ago
3 0
I find it best to switch everything exponents when taking derivatives.
F(x) = 7/x
Same as..
F(x) = 7x^-1
Take derivative..
F'(x) = -7x^-2
Plug in x = 1
F'(1) = -7(1)^-2
F'(1) = -7
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