Use the Chain Rule to differentiate the function. You may need to apply the rule more than once.f(x) = (-x8 - 2x - 
)3
A. f'(x) = -3(x8 - 2x - 
)2)(8x7 - 2 - 
)
B. f'(x) = -3(x8 - 2x - 
)2)
C. f'(x) = 3(-x8 - 2x - 
)2)
D. f'(x) = 3(-x8 - 2x - 
)2)
Answer: C
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Solve the following systems of linear equations using Gaussian elimination.
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Simplify.3(x - 5)
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