For the pair of functions, find the indicated domain.f(x) = x2 - 49, g(x) = 2x + 3Find the domain of g ? f.
A. (-?, ?)
B. 
C. (-7, 7)
D. 
? 
Answer: A
Mathematics
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Given that p and q each represents a simple statement, write the indicated compound statement in its symbolic form.p: The outside humidity is high.q: The basement dehumidifier is running.r: The basement is getting moldy.If the basement dehumidifier is running, then the outside humidity is high if and only if the basement is getting moldy.
A. q ? (p ? r) B. p ? (q ? r) C. (q ? p) ? r D. q ? (p ? r)
Mathematics
Use identities to simplify the expression. Do not use a calculator.2 cos275° - 1
A. - 
B. 
C. - 
D. 
Mathematics
Give the domain of the function.
?
?
Enter your answer in interval notation.
What will be an ideal response?
Mathematics
Solve the system of equations using elimination. 
A. 
B. 
C. infinitely many solutions
D. no solution
Mathematics