Determine the domain of the function.f(x) = 
A. 
B. 
C. 
? 
D. (-?, ?)
Answer: D
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Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = x2 + 
cos 80x
A. [-2, 2] by [-1, 1] B. [-0.6, 0.6] by [-0.1, 0.6] C. [-10, 10] by [-10, 10] D. [-0.1, 0.1] by [-0.1, 0.1]
Approximate the given square root to the nearest hundredth using the guess-and-check method.
A. 13.84 B. 13.82 C. 13.81 D. 13.00
Solve the problem.Janet drove 260 kilometers and the trip took 4 hours. How fast was Janet traveling?
A. 66 kilometers/hour
B. 
kilometer/hour
C. 65 kilometers/hour
D. 1040 kilometers/hour
Use the substitution method to solve the system.-7x - 6y = -28-3x + 2y = -12
A. (4, 1) B. (4, 0) C. (3, 1) D. No solution