What exclusions are placed on the variable a for the fraction (a^2 + 4m)/a^2+4? a -2 b. 0 c. none notice: the parenthesis around a^2m+4m is there to show that the whole equation is being divided by a^2+4

The answer is A.) -2

None

Step-by-step explanation:

The domain of the expression is all real numbers except where the expression is unidentified. In this case, there is no real number that makes the expression unidentified.

a

step-by-step explanation:

its wrong