Find the domain.f(x) = 
A. {x? x is a real number and x ? -1}
B. {x? x is a real number and x ? -2}
C. {x? x is a real number and x ? 1}
D. {x? x is a real number and x ? 2}
Answer: C
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Provide an appropriate response.Rewrite using the associative property of addition: -3 + (x + y)
A. -3 + (y + x) B. (-3 + x) + y C. -3(x + y) D. (x + y) - 3
Apply the Quotient Rule and simplify the expression. Write the result with positive exponents only.
A. 1
B. 0
C. 
D. -1
Solve the problem.Helen Weller invested $14,000 in an account that pays 10% simple interest. How much additional money must be invested in an account that pays 13% simple interest so that the average return on the two investments amounts to 11%?
A. $14,000 B. $10,000 C. $7000 D. $11,000
Multiply and simplify.
? 
A. 
B. 
C. 
D. 