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Questions tagged 'Derivatives'

4 questions

Calculus Problem!!! Find the value of df^-1/dx at x = f(a)?

I need assistance with a calculus problem. Specifically, I want to find the value of ( \frac{df^{-1}}{dx} ) at ( x = f(a) ), where ( f(x) = x^3 - 9x^2 - 4 ) and ( x \geq 6 ). I have ( a = 3 ). I belie...

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Anonymous

Jan 04, 2025

find the differential of each function (CALCULUS HELP PLEASE)?

Could someone please help me find the derivatives of the following functions? ( y = \frac{s}{2 + 5s} ) ( y = u \cdot \cos(u) ) Thank you!

Please prove this: d/dx (csc x) = – csc x cot x ?

Could you please provide a step-by-step proof for the derivative of the cosecant function, specifically showing that ( \frac{d}{dx} (\csc x) = -\csc x \cot x )? I would appreciate any detailed explana...

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Anonymous

Oct 29, 2024

Find the derivative of f(x) = 8×2 + 11x at x = 7.?

I need help finding the derivative of the function f(x) = 8x² + 11x at the point x = 7. The answer choices are 123, -147, 156, and 189. I have reached the expression 8h + 8x - 11. What should I do nex...