Find the domain of the function.f(x) = 
A. 
, or 
B. 
, or 
? 
C. 
, or
D. all real numbers, or (-?,?)
Answer: D
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A furniture store offers free setup and delivery services to all points within a 23-mi radius of its warehouse distribution center. If you live 19 mi east and 14 mi south of the warehouse, will you incur a delivery charge? ?
A. No B. Yes
Find the value of the variable that satisfies the equation.-6x + 8 = -2 - 10x
A. x = - 
B. x = 
C. x = - 
D. x = - 
Solve the problem.The focal length f of a lens with index of refraction n is 
= (n - 1)
where R1and R2 are the radii of curvature of the front and back surfaces of the lens. Express f as a rational expression.
What will be an ideal response?
Which is larger, 1 cubic hectometer or 1 cubic meter?
A. 1 cubic hectometer B. 1 cubic meter C. both are equal