Question: Show that if f (x) = ax3 + bx2 + cx + d, then f(k) = r, where r = ak3 + bk2 + ck

Show that if f (x) = ax3 + bx2 + cx + d, then f(k) = r, where r = ak3 + bk2 + ck + d, using long division. In other words, verify the Remainder Theorem for a third-degree polynomial function?

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