If f: R $\rightarrow$ R is a polynomial function of degree 3 such that {−2, −21), (−1, −7), (0, −5), (1, −3)} $\subset$ f, then the function f is given by

1 Answer

$f(x) = 2x^3− 5, x \in R$
Hence (A) is the correct answer.
answered Jun 28, 2014