Precalculus Examples

Find the domain for .
Tap for more steps...
Set the radicand in greater than or equal to to find where the expression is defined.
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Interval Notation:
Set-Builder Notation:
To find the square root end point, substitute the value , which is the least value in the domain, into .
Tap for more steps...
Replace the variable with in the expression.
Simplify the result.
Tap for more steps...
Remove parentheses.
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
The final answer is .
The square root end point is .
Enter YOUR Problem
Mathway requires javascript and a modern browser.
Cookies & Privacy
This website uses cookies to ensure you get the best experience on our website.
More Information