Find the domain and range of the function represented in the graph.
A. Domain: (0, 8); Range: (0, 8)
B. Domain: [-8, 0]; Range: [0, 8)
C. Domain: (0, 8]; Range: (-8, ?)
D. Domain: [0, 8]; Range: [0, 8]
Answer: D
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Solve the problem.Three receiving stations at (8, 11), (4, 6), and (12, 9) record distances to an earthquake of 2 units, 5 units, and 4 units, respectively.Find the coordinates of the epicenter.
A. (1, 2) B. (8, 9) C. (9, 8) D. (-6, -5)
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Decreasing on 
; increasing on 
B. Increasing on (-?, ?)
C. Increasing on 
and 
; decreasing on 
D. Decreasing on 
and 
; increasing on 
Solve the problem.A ball is thrown upward with an initial velocity of 35 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. Find the time it takes the ball to hit the ground. Round your answer to the nearest tenth of a second.
A. 14.7 sec B. 10.2 sec C. 9.2 sec D. 9.7 sec
Sketch a line passing through the point and having slope m.(-6, -9), m = - 
A. 
B. 
C. 
D. 