Let R be the set of real numbers and the mapping f :R ? R and g : R ? R be defined by f(x) = 5 – x2 and g(x) = 3x – 4 , then the value of (fog)(–1) is (A) –44 (B) –54 (C) –32 (D) –64

aniket anand , 11 Years ago

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