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Calculus Examples
Step 1
Step 1.1
Set the radicand in greater than or equal to to find where the expression is defined.
Step 1.2
Set the denominator in equal to to find where the expression is undefined.
Step 1.3
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Interval Notation:
Set-Builder Notation:
Step 2
Step 2.1
Replace the variable with in the expression.
Step 2.2
The expression contains a division by . The expression is undefined.
Undefined
Step 3
The radical expression end point is .
Step 4
Step 4.1
Substitute the value into . In this case, the point is .
Step 4.1.1
Replace the variable with in the expression.
Step 4.1.2
Simplify the result.
Step 4.1.2.1
Divide by .
Step 4.1.2.2
Any root of is .
Step 4.1.2.3
The final answer is .
Step 4.2
Substitute the value into . In this case, the point is .
Step 4.2.1
Replace the variable with in the expression.
Step 4.2.2
The final answer is .
Step 4.3
The square root can be graphed using the points around the vertex
Step 5