essay show all work consider age x unicorn human equivalent years can be given

Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = – 0.001518×4 + 0.067326×3 – 1.4367×2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old?