please help as quick as possible (dont need in depth explanation)

A trader recorded the share value in Canadian dollars for the first seven days of September, as shown in the table below. DATE Unit Stock Value (CAD) H _ [-35- E-E_ __ _E_ [-3- E- The trader believes that the unit value of the stock approximates a quadratic pattern during that week in September. Which feature of the given data most likely suggested to the trader that the values of the stock approximated a quadratic regression? Select one: 0 a. The fact that the data values fall then rise. 0 b. The fact that all data values are positive. 0 c. The fact that no two consecutive data values are the same. 0 d. The fact that the first and the last data values are the same. Match the following information to an equation for a polynomial function that satisfies each set of characteristics. a) degree 1, decreasing function, y-intercept of -2 Choose... f(x) = x - 2 b) one turning point, a maximum value, y-intercept of 3