Let a be the smallest integer satisfying the inequality x^2 - 15 < 2x, and let b be the largest integer satisfying the same inequality. What is b-a?
The largest integer is 6, and the smallest integer is -3, so the answer is 6 - (-3) = 9.
Sorry, but it says that its wrong.
This graph should help you answer the question:
Ok, thanks.
+113 
