Solve the equation.
+ 9 = 21
A. 18
B. 12
C. 144
D. 24
Answer: C
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Graph the linear function and give the domain and range.f(x) = 
x + 3
A. D = (-?, ?),
R = (-?, ?)
B. D = (-?, ?),
R = (-?, ?)
Provide an appropriate answer.Fill in the blanks (four of them) with the best responses:To use DeMoivre's theorem to find the n nth roots of a complex number: 1. Express the number in ________________form. 2. Express the root as a ________________ exponent. 3. Use 
n = 
with ? to find one root. 4. Use 
n = 
and add _______° to ?, _________ times.
A. rectangular; decimal; 360; n - 1 B. fractional; polar; 360; n - 1 C. fractional; polar; 180; n - 1 D. polar; fractional; 360; n - 1
Solve the problem.Find the image of the given figure under a reflection across the mirror line m.
A. 
B. 
C. 
D. 
Provide an appropriate response.If a system of inequalities includes 
then the feasibility region is restricted to what?
A. The region right of and including x = 7 B. The region right of and including x = -7 C. The region left of and including x = -7 D. The region left of and including x = 7