Use the following information to answer the question. The graph of a cubic function extends from quadrant II to quadrant IV. The y-intercept of the graph is 4. The best description of the equation of this cubic function would be Select one: O a. leading coefficient is positive and the constant term is positive O b. leading coefficient is negative and the constant term is negative O c. leading coefficient is negative and the constant term is positive O d. leading coefficient is positive and the constant term is negativeUse the following information to answer the question below. An object is projected up into the air. The height, h in metres, of the object can be modeled by the function =5t=+19t+4 where t is the time in seconds after the object is sent upward. The maximum height that the object reaches, to the nearest tenth, is |:| metres. Use the following information to answer the question. The function shown above has Select one: O a. a relative maximum at 4 O b. an inflection point at 4 O c. no maximum value O d. an absolute maximum at 4