Estimate the value of the quantity.The table gives dye concentrations for a cardiac-output determination. The amount of dye injected was 
Plot the data and connect the data points with a smooth curve. Find the area under the curve using rectangles. Use this area to estimate the cardiac output.
Time (sec)
Dye concentration (mg/L)
A. 0.1 L/min
B. 17.7 L/min
C. 8.9 L/min
D. 406.0 L/min
Answer: C
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A. No B. Yes
Solve the problem.Two friends are planning to meet between 2:00 pm and 3:00 pm. They agree that whoever arrives first will wait only 10 minutes and then leave. Letting 0 represent 2:00 and 60 represent 3:00, graph the possible times when the friends will actually meet and when their total arrival time (i.e. time between 2:00 and the arrival time for each) is less than 10 minutes.
A. 
B. 
C. 
D. 
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose first?
A. BD B. EF C. DF D. BF E. none of these
Using AND-gates, OR-gates, and NOT-gates, design a circuit that would find the truth values for the sentence.
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?
?
(a)
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(b)
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(c)
?
A. b
B. c
C. a