Calculus Examples

Find the Domain and Range g(y)=(y-1)/(y^2-3y+3)
Step 1
Rewrite the equation as .
Step 2
Find the LCD of the terms in the equation.
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Step 2.1
Finding the LCD of a list of values is the same as finding the LCM of the denominators of those values.
Step 2.2
Remove parentheses.
Step 2.3
The LCM of one and any expression is the expression.
Step 3
Multiply each term in by to eliminate the fractions.
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Step 3.1
Multiply each term in by .
Step 3.2
Simplify the left side.
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Step 3.2.1
Cancel the common factor of .
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Step 3.2.1.1
Cancel the common factor.
Step 3.2.1.2
Rewrite the expression.
Step 3.3
Simplify the right side.
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Step 3.3.1
Apply the distributive property.
Step 3.3.2
Simplify.
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Step 3.3.2.1
Rewrite using the commutative property of multiplication.
Step 3.3.2.2
Move to the left of .
Step 4
Solve the equation.
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Step 4.1
Since is on the right side of the equation, switch the sides so it is on the left side of the equation.
Step 4.2
Subtract from both sides of the equation.
Step 4.3
Add to both sides of the equation.
Step 4.4
Use the quadratic formula to find the solutions.
Step 4.5
Substitute the values , , and into the quadratic formula and solve for .
Step 4.6
Simplify the numerator.
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Step 4.6.1
Apply the distributive property.
Step 4.6.2
Multiply by .
Step 4.6.3
Multiply by .
Step 4.6.4
Rewrite as .
Step 4.6.5
Expand using the FOIL Method.
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Step 4.6.5.1
Apply the distributive property.
Step 4.6.5.2
Apply the distributive property.
Step 4.6.5.3
Apply the distributive property.
Step 4.6.6
Simplify and combine like terms.
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Step 4.6.6.1
Simplify each term.
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Step 4.6.6.1.1
Rewrite using the commutative property of multiplication.
Step 4.6.6.1.2
Multiply by by adding the exponents.
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Step 4.6.6.1.2.1
Move .
Step 4.6.6.1.2.2
Multiply by .
Step 4.6.6.1.3
Multiply by .
Step 4.6.6.1.4
Multiply by .
Step 4.6.6.1.5
Multiply by .
Step 4.6.6.1.6
Multiply by .
Step 4.6.6.2
Add and .
Step 4.6.7
Apply the distributive property.
Step 4.6.8
Rewrite using the commutative property of multiplication.
Step 4.6.9
Multiply by .
Step 4.6.10
Simplify each term.
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Step 4.6.10.1
Multiply by by adding the exponents.
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Step 4.6.10.1.1
Move .
Step 4.6.10.1.2
Multiply by .
Step 4.6.10.2
Multiply by .
Step 4.6.11
Subtract from .
Step 4.6.12
Subtract from .
Step 4.6.13
Factor by grouping.
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Step 4.6.13.1
For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .
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Step 4.6.13.1.1
Factor out of .
Step 4.6.13.1.2
Rewrite as plus
Step 4.6.13.1.3
Apply the distributive property.
Step 4.6.13.2
Factor out the greatest common factor from each group.
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Step 4.6.13.2.1
Group the first two terms and the last two terms.
Step 4.6.13.2.2
Factor out the greatest common factor (GCF) from each group.
Step 4.6.13.3
Factor the polynomial by factoring out the greatest common factor, .
Step 4.7
Change the to .
Step 4.8
Simplify the expression to solve for the portion of the .
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Step 4.8.1
Simplify the numerator.
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Step 4.8.1.1
Apply the distributive property.
Step 4.8.1.2
Multiply by .
Step 4.8.1.3
Multiply by .
Step 4.8.1.4
Rewrite as .
Step 4.8.1.5
Expand using the FOIL Method.
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Step 4.8.1.5.1
Apply the distributive property.
Step 4.8.1.5.2
Apply the distributive property.
Step 4.8.1.5.3
Apply the distributive property.
Step 4.8.1.6
Simplify and combine like terms.
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Step 4.8.1.6.1
Simplify each term.
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Step 4.8.1.6.1.1
Rewrite using the commutative property of multiplication.
Step 4.8.1.6.1.2
Multiply by by adding the exponents.
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Step 4.8.1.6.1.2.1
Move .
Step 4.8.1.6.1.2.2
Multiply by .
Step 4.8.1.6.1.3
Multiply by .
Step 4.8.1.6.1.4
Multiply by .
Step 4.8.1.6.1.5
Multiply by .
Step 4.8.1.6.1.6
Multiply by .
Step 4.8.1.6.2
Add and .
Step 4.8.1.7
Apply the distributive property.
Step 4.8.1.8
Rewrite using the commutative property of multiplication.
Step 4.8.1.9
Multiply by .
Step 4.8.1.10
Simplify each term.
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Step 4.8.1.10.1
Multiply by by adding the exponents.
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Step 4.8.1.10.1.1
Move .
Step 4.8.1.10.1.2
Multiply by .
Step 4.8.1.10.2
Multiply by .
Step 4.8.1.11
Subtract from .
Step 4.8.1.12
Subtract from .
Step 4.8.1.13
Factor by grouping.
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Step 4.8.1.13.1
For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .
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Step 4.8.1.13.1.1
Factor out of .
Step 4.8.1.13.1.2
Rewrite as plus
Step 4.8.1.13.1.3
Apply the distributive property.
Step 4.8.1.13.2
Factor out the greatest common factor from each group.
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Step 4.8.1.13.2.1
Group the first two terms and the last two terms.
Step 4.8.1.13.2.2
Factor out the greatest common factor (GCF) from each group.
Step 4.8.1.13.3
Factor the polynomial by factoring out the greatest common factor, .
Step 4.8.2
Change the to .
Step 4.9
The final answer is the combination of both solutions.
Step 5
Set the radicand in greater than or equal to to find where the expression is defined.
Step 6
Solve for .
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Step 6.1
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 6.2
Set equal to and solve for .
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Step 6.2.1
Set equal to .
Step 6.2.2
Solve for .
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Step 6.2.2.1
Add to both sides of the equation.
Step 6.2.2.2
Divide each term in by and simplify.
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Step 6.2.2.2.1
Divide each term in by .
Step 6.2.2.2.2
Simplify the left side.
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Step 6.2.2.2.2.1
Cancel the common factor of .
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Step 6.2.2.2.2.1.1
Cancel the common factor.
Step 6.2.2.2.2.1.2
Divide by .
Step 6.2.2.2.3
Simplify the right side.
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Step 6.2.2.2.3.1
Move the negative in front of the fraction.
Step 6.3
Set equal to and solve for .
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Step 6.3.1
Set equal to .
Step 6.3.2
Add to both sides of the equation.
Step 6.4
The final solution is all the values that make true.
Step 6.5
Use each root to create test intervals.
Step 6.6
Choose a test value from each interval and plug this value into the original inequality to determine which intervals satisfy the inequality.
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Step 6.6.1
Test a value on the interval to see if it makes the inequality true.
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Step 6.6.1.1
Choose a value on the interval and see if this value makes the original inequality true.
Step 6.6.1.2
Replace with in the original inequality.
Step 6.6.1.3
The left side is less than the right side , which means that the given statement is false.
False
False
Step 6.6.2
Test a value on the interval to see if it makes the inequality true.
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Step 6.6.2.1
Choose a value on the interval and see if this value makes the original inequality true.
Step 6.6.2.2
Replace with in the original inequality.
Step 6.6.2.3
The left side is greater than the right side , which means that the given statement is always true.
True
True
Step 6.6.3
Test a value on the interval to see if it makes the inequality true.
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Step 6.6.3.1
Choose a value on the interval and see if this value makes the original inequality true.
Step 6.6.3.2
Replace with in the original inequality.
Step 6.6.3.3
The left side is less than the right side , which means that the given statement is false.
False
False
Step 6.6.4
Compare the intervals to determine which ones satisfy the original inequality.
False
True
False
False
True
False
Step 6.7
The solution consists of all of the true intervals.
Step 7
Set the denominator in equal to to find where the expression is undefined.
Step 8
Divide each term in by and simplify.
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Step 8.1
Divide each term in by .
Step 8.2
Simplify the left side.
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Step 8.2.1
Cancel the common factor of .
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Step 8.2.1.1
Cancel the common factor.
Step 8.2.1.2
Divide by .
Step 8.3
Simplify the right side.
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Step 8.3.1
Divide by .
Step 9
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Step 10
The range is the set of all valid values. Use the graph to find the range.
Interval Notation:
Set-Builder Notation:
Step 11
Determine the domain and range.
Domain:
Range:
Step 12