For the pair of functions, find the indicated domain.f(x) = 7x + 21, g(x) = x + 8Find the domain of f ? g.
A. (-?, 11) ? (11, ?)
B. (-?, ?)
C. (-?, -11) ? (-11, ?)
D. (-?, -11] ? [-11, ?)
Answer: B
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Solve the problem.When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.35. After that, each additional minute or portion of a minute of that call costs $0.35. Use an inequality to find the maximum number of minutes one can call long distance for $3.05.
A. at most 5 minutes B. at most 2 minutes C. at most 9 minutes D. at most 1 minutes
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = -log x B. y = log x C. y = log(-x) D. y = -log(-x)
Add or subtract as indicated. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Provide an appropriate response.There are 7 people on a committee, and 4 of them are women. What is the ratio of the number of women to the number of men on the committee?
A. 
B. 
C. 
D. 