Todd travels frequently for his business. For tax reasons, he wants to use up all of his remaining money in his business travel fund this year. He uses the function f (x) = x²− 8 x + 16 to determine how many trips he must take to spend all of his remaining business travel funds. In this function, x represents the number of trips and f (x) is the amount of money left in his fund after the trips.
The discriminant of this quadratic function tells us that his quadratic equation has _______ real solutions
A. none
B. one
C. two
D. three
