Let a be the smallest integer satisfying the inequality x^2 - 15 < 12x, and let b be the largest integer satisfying the same inequality. What is b-a?
Largest: 13
Smallest: -1
13-(-1)=14
x2 -12x -15 <0 use quadratic formula to find the zeroes = 13.14 and -1.14
so 13 and -1 13 - -1 = 14
