Answer the question.For f(x) = x2 - 9 and g(x) = 2x + 3, what is the domain of g?f?
A. 
B. 
x ? - 
C. All real numbers
D. 
Answer: C
Mathematics
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Find the specified domain and express it in interval notation.For f(x) = x2 - 81 and g(x) = 2x + 3, what is the domain of 
(x)?
A. 
? 
B. All real numbers
C. 
D. (-?, -9) ? (-9, 9) ? (9, ?)
Mathematics
Solve the equation by using the square root property. Simplify all radicals.(x - 6)2 = 24
A. {6 ± 2
}
B. {2
± 6}
C. {6 ± 2
}
D. {± 2
}
Mathematics
Evaluate without using a calculator.
?
?
A. undefined
B. 
C. 
D. 
E. 0
Mathematics
Find the exact value of the logarithmic expression.ln e
A. e B. -1 C. 0 D. 1
Mathematics