Practice problem
What is the domain of g=a+1a+2g=\frac{a+1}{a+2}g=a+2a+1?
All real numbers except for −1-1−1 and −2-2−2.
All real numbers except for −1-1−1.
All real numbers except for −2-2−2.
All real numbers.
Type a concept, like “slope” or “photosynthesis”.