Practice problem
Find the domain of f(x)=x−3x2+9x−22f(x)=\frac{x-3}{x^2+9x-22}f(x)=x2+9x−22x−3.
All real numbers except 3,11,3, 11,3,11, or −2-2−2.
All real numbers except −3-3−3.
All real numbers except −11-11−11 or 222.
All real numbers except −3,−11,-3, -11,−3,−11, or 222.
Type a concept, like “slope” or “photosynthesis”.
