Find the greatest integer value of b for which the expression (9x^3+4x^2+11x+7)/(x^2+bx+88) has a domain of all real numbers.
Denominator cannot equal 0
(x^2+bx+88) soooo b^2 - 4(88) >=0
b^2 = 352
b=+-18.76 largest integer 18
