Can you please help me with the problems shown, and please show the work

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Taking algebra two apex courses and need with these questions