4. Find the derivative of the function y = cosh⁻¹7x. (A) y' = (B) y' = (C) y' =- (D) y' = (E) y' =

4. Find the derivative of the function y = cosh⁻¹7x.
(A) y' =
(B) y' =
(C) y' =-
(D) y' =
(E) y' =

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1. The rate of depreciation of a machine is inversely proportional to the square of t + 2, where V is the value of the machine t years after it was purchased. The initial value of the machine was $500,000, and its value decreased $100,000 in the first year. Estimate its value after 6 years. Round your answer to the nearest integer. (A) $500,000 (B) $275,000 (C) $550,000 (D) $475,000 (E) $350,000

4. Find the derivative of the function y = cosh⁻¹7x.
(A) y' =
(B) y' =
(C) y' =-
(D) y' =
(E) y' =

詳解 (共 1 筆)

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