Given functions f and g, determine the domain of f + g.f(x) = 4x + 9,g(x) = 
A. (-?, 2) or (2, ?)
B. (-?, ?)
C. (-?, -2) or (-2, ?)
D. (0, ?)
Answer: A
Mathematics
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Use a coterminal angle to find the exact value of the expression. Do not use a calculator.sin 
A. - 
B. 
C. - 
D. 
Mathematics
Solve the problem.The manager of a candy shop sells chocolate covered peanuts for $5 per pound and chocolate covered cashews for $14 per pound. The manager wishes to mix 80 pounds of the cashews to get a 
mixture that will sell for $7 per pound. How many pounds of peanuts should be used?
A. 360 lb B. 180 lb C. 280 lb D. 140 lb
Mathematics
Simplify.(
+ 5)2
A. y+ 25
B. y2+ 10
+ 25
C. y+ 10
+ 25
D. y2+ 10y + 25
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. b
B. 
C. 
D. 6
Mathematics