State the domain of the rational function.f(x) = 
A. (-?, 12) ? (12, ?)
B. (-?, - 3) ? (- 3, 3) ? (3, ?)
C. (-?, - 12) ? (- 12, 12) ? (12, ?)
D. (-?, 3) ? (3, ?)
Answer: A
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Provide an appropriate response. Why is a least common denominator so important in adding fractions?
What will be an ideal response?
Solve the problem.Using the floor plan below, find a path that starts in room A and passes through each doorway exactly one time.
A. A ?C ? E ? D ? A ? C ? B B. No such path exists. C. A ?D ? E ? C ? B D. A ?D ? E ? C ? A
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 
C. 10
D. 0
Solve and simplify.x + 
= 
A. x = 
B. x = 
C. x = 
D. x = 