Find a polynomial f(x) of degree three with real coefficients in the following zeros -4, -2+ I

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Which of the following graphs could represent a quartic function?