Solve the system by elimination:
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Describe the largest set S on which it is correct to say that f is continuous.f(x, y) = tan (x + y)
A. Entire plane
B. {(x, y): x + y ? 
, where n is an integer}
C. {(x, y): (x, y) ? (0, 0)}
D. {(x, y): (x, y) ? 
}
Mathematics
Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.csc 30°5'
A. 1.9969764 B. 1.9949764 C. 1.9939764 D. 1.9959764
Mathematics
Use the Quotient Rule to simplify. All variables are nonzero.
A. 9mn3 B. 9n3 C. 63mn3 D. 9m11n17
Mathematics
Write each rational expression as an equivalent expression with the LCD of the two expressions as the denominator.
and 
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics