Find the specified domain.For f(x) = x2 - 49 and g(x) = 2x + 3, what is the domain of (f ? g)?
A. [7, ?)
B. (-7, 7)
C. [0, ?)
D. (-?, ?)
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.John bought a camera that regularly sold for $139.95 at a 25% discount. What was the amount of the discount? Round to the nearest cent.
A. $32.49 B. $43.49 C. $34.74 D. $34.99
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Find the exact value for x in the interval 
that satisfies the equation. tan (x) = 
A. 
B. 
C. 
D. 
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Completely factor the polynomial or state that the polynomial is prime.3x2 - 108
A. 3(x + 6)(x - 6) B. 3(x - 6)2 C. prime D. 3(x + 6)2
Mathematics