Find the domain of the composite function f?g.f(x) = 3x + 18;g(x) = 
A. [0, ?)
B. [-6, ?)
C. (-?, ?)
D. (-?, -6] or [0, ?)
Answer: A
Mathematics
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Represent the quantity by an integer.$125 loss
A. -125 B. 125
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Use a half-angle formula to find the exact value of the expression.cos 75°
A. - 
B. - 
C. 
D. 
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Solve.One bag of Alice's favorite cookies contains 394 calories. How many calories are in 5 bags of cookies?
A. 2124 cal B. 1970 cal C. 2000 cal D. 1950 cal
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Find the real solutions, if any, of the equation. Use the quadratic formula.10x = 2x2
A. {5, - 5} B. {0, 5} C. {0} D. {0, - 5}
Mathematics