Find the Rate of Change of the Function $$f ( x ) = - x + \cos x$$

question 53

Multiple Choice

Find the rate of change of the function $$f ( x ) = - x + \cos x$$ . ​

• A)​ \(- \sin x + 1\)
• B)​ \(\sin x - 1\)
• C)​ \(- \sin x - 1\)
• D)​ \(- \sin x - x\)
• E)​ \(\sin x + 1\)

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