Anonymous User Asked a Question
September 16, 2020 6:20 ampts 30 pts
736. Given that f is a real-valued differentiable function such that ff') <0 for all real z, it follows that (A) f(r) is an increasing function; (B) f(r) is a decreasing function; (C) If(r)| is an increasing function; (D) |f(r)| is a decreasing function.
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  • Deepak singh Best Answer
    see attached solution
    • cropped541726933856354731.jpg
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  • Deepak singh thankyou
    option d is correct , if any doubt then ask
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