f : IR IR; g : IR IR are two functions such that f(x) = 2x - 3, g(x) = x^3 + 5, then (fog)^ -1 (-9) is

MHT CET 2023 Mathematics question

f : IR IR; g : IR IR are two functions such that f(x) = 2x - 3, g(x) = x + 5, then (-9) is

Answer: (A)

, which is one-one and onto , so the inverse exists. means $+7=-9⇒

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Question ID VK-095404