What is a bound of a function? Precalculus Real Zeros of Polynomials Upper and Lower Bounds 1 Answer Wataru Nov 1, 2014 If real numbers LL and UU satisfy the inequalities L le f(x) le UL≤f(x)≤U, for all xx in the domain of ff, then LL is a lower bound of ff and UU is an upper bound of ff. I hope that this was helpful. Answer link Related questions How do I find the upper bound of a function? How do I find the lower bound of a function? How do I determine whether a function is bounded? How do I calculate the upper bound of a rectangle? How do I find the upper bound of a polynomial? How can functions be used to solve real-world situations? How do I find the greatest lower bound of a set? How do I find the least upper bound of a set? See all questions in Upper and Lower Bounds Impact of this question 3884 views around the world You can reuse this answer Creative Commons License