For which equation is x = 5 a solution? say yes or no

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Hi, can anyone show me how to do this problem? 100 points for this. in advance