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Consider the function f : R+ →-9,∞ given by f(x) = 5x2 + 6x - 9. Prove that f is invertible with f-1(y) = 54+5y-35. [CBSE 2015]

Answer» Consider the function f : R+ -9, given by f(x) = 5x2 + 6x - 9. Prove that f is invertible with f-1(y) = 54+5y-35. [CBSE 2015]


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