1.

Show that the function f : R todefined by f (x) = x^(3) + 3 is invertible. Find f^(-1). Hence find f^(-1)(30)

Answer»


ANSWER :`F^(-1) : R to R` such that `f^(-1) (y) = (y - 1)^((1)/(3)) ; f^(-1) (30) = 3 `


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