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Explanation & Answer
a. y' = 4x -5 -6x^-3 -12x^-4
b. f'(t) = (5t^3 + t^2)(2) + (2t - 4)(15t^2 + 2t)
c. g'(x) = [x(2x - 2) - (x^2 -2)] / x^2
d. a' = 3(7 - 2b)^2(-2)
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