Solve the equation.x3 + 3x2 - x - 3 = 0
A. {9}
B. {1, -3, 3}
C. {-3, 3}
D. {-1, 1, -3}
Answer: D
Mathematics
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Solve by the substitution method. x - 4y = 4-3x - 3y = 3
A. {(1, -2)} B. {(1, 0)} C. ? D. {(0, -1)}
Mathematics
Convert the angle to D° M' S'' form. Round the answer to the nearest second.279.94°
A. 279°57'23'' B. 279°56'24'' C. 279°23'94'' D. 279°56'94''
Mathematics
Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Mathematics
Find the domain and range of the relation.
A. Domain = {3, 4, -2}; range = 
B. Domain = {3, 4, -2, 14}; range = 
C. Domain = 
; range = {3, 4, -2}
D. Domain = {3, 4, -2, -4}; range = 
Mathematics