Mark the correct alternative in each of the following:

If f : R → R is given by f(x) = x3 + 3, then f–1(x) is equal to


Given that f : R → R is given by f(x) = x3 + 3


Then f–1(x):


y = f(x)


⇒ y = x3 + 3


⇒ y – 3 = x3



So,

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