SOLUTION: How do I determine the restricted values, if any, of a rational expression?

Question 258868: How do I determine the restricted values, if any, of a rational expression?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Look for values of x that are not allowed or lead to an undefined function.
Particularly, division by zero, square root and logarithm arguments less than zero.
Examples:
, is not allowed, because of division by zero.

.
.
.
, is not allowed.

.
.
.
etc.
RELATED QUESTIONS
How do I determine the restricted values?... (answered by solver91311,monika_p)

find the restricted values of x for the given rational expression... (answered by ReadingBoosters)

Find the restricted values of x for the given rational expression.... (answered by solver91311)

Please help-I am stuck. Find the restricted values of x for the given rational... (answered by scott8148,Earlsdon)

can you give me atleast 5 problems of "restricted values & reducing rational expression... (answered by stanbon)

is 49sqrt100 a rational expression? HELP. How do I determine rational vs.... (answered by stanbon)

what is the restricted value of x for the given rational expression... (answered by stanbon)

If the expression: 5t + 8/3t - 7 is to make sens the values that t can take must be... (answered by jim_thompson5910)

Hi, I need help with this. Can anyone lend a hand? Here it is: If the expression:... (answered by stanbon)