Is the function graphed below one-to-one?
A. Yes
B. No
Answer: A
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Find the specified domain and express it in interval notation.For f(x) = 
and g(x) = x - 7, what is the domain of g/f ?
A. (3, 7) ? (7, ?) B. [3, 7) ? (7, ?) C. [3, ?) D. (3, ?)
Solve the inequality. Express your answer using interval notation. Graph the solution set.-8 ? -2x + 2 ? -6
A. [-5, -4]
B. [4, 5]
C. (4, 5)
D. (-5, -4)
Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 400 feet. After 55 minutes the bell is at a depth of 1600 feet. What is the average rate of lowering per minute? Round your answer to the nearest tenth.
A. 0.04 ft per min B. 27.9 ft per min C. 29.1 ft per min D. 21.8 ft per min
Translate the word phrase into an algebraic expression.$79 less the cost x
A. x + 79 B. 79 - x C. 79x D. 79