Decide whether the compound statement is true or false. The symbol for exclusive disjunction 
represents "one or the other is true, but not both".6 + 5 = 11 
2 + 5 = 9
A. True
B. False
Answer: A
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Find the value.If F(x, y) = tan-1 
, find Fx(-5, 6) and Fy(-5, 6).
A. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
B. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
C. Fx(-5, 6) = - 
, Fy(-5, 6) = 
D. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
Simplify the radical expression.
?
?
A. -6 B. 4 C. 2 D. -4 E. ?-2
Solve the problem.Anne and Carol can paint a room in 15 hours working together. Anne takes 4 hours longer to paint the room working alone than it takes Carol working alone. How long does it take Carol to paint the room by herself?
A. 28 hr
B. 13 + 
hr
C. 17 + 
hr
D. 32 hr
Solve the problem.The population of a small town is given by the table.
If the population is modeled by p(t) = at2 + b where t is in years and 
corresponds to the year 1980 and 
corresponds the year 1990, find a.
A. 15 B. 13 C. 30 D. 26