Provide an appropriate response. Find the domain of f(x) = 
. Then simplify the right side of the function's equation.
A. domain of f: (-?, -8) ? (-8, 8) ? (8, ?); 
B. domain of f: (-?, -9) ? (-9, 4) ? (4, ?); 
C. domain of f: (-?, 0) ? (0, ?); 0
D. domain of f: (-?, -4) ? (-4, 9) ? (9, ?); 
Answer: D
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Fill in the blank with one of the words or phrases listed below.
A(n) 
of a system of two equations in two variables is an ordered pair of numbers that is a solution of both equations in the system.
A. solution B. substitution C. dependent D. consistent
Simplify.20 ÷ (-4) + (-4)(6)
A. -6 B. -19 C. 29 D. -29
Determine whether or not the equation is quadratic.(x + 2)2 = (2x + 5)2
A. Not quadratic. B. Quadratic.
Provide an appropriate response.The domain of f(q) = 
is
A. all real numbers except 1 and -1 B. all real numbers except -1, 1, and -2 C. all real numbers except -4 D. all real numbers except -2 and 2 E. all real numbers