Linear Algebra Examples

Find the Domain log of x+9=1- log of x
log(x+9)=1-log(x)
Step 1
Set the argument in log(x+9) greater than 0 to find where the expression is defined.
x+9>0
Step 2
Subtract 9 from both sides of the inequality.
x>-9
Step 3
The domain is all values of x that make the expression defined.
Interval Notation:
(-9,)
Set-Builder Notation:
{x|x>-9}
Step 4
 [x2  12  π  xdx ]