Find the sum.0.635 + 12
A. 12.636
B. 12.625
C. 12.745
D. 12.635
Answer: D
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For certain decisions, the time it takes to respond is a function of the number of choices faced. The relationship is
,
where R is reaction time in seconds, and N is the number of choices.A: Express using functional notation the reaction time if there are 8 choices. Then calculate that value. Round your answer to one decimal place if necessary. B: Make a graph of R versus N. Include up to 10 choices.C: Is the graph concave up or concave down? Explain in practical terms what the concavity of the graph means.
?
What will be an ideal response?
Find the derivative.p = 
A. 
= sec2 q + 1
B. 
= - csc q cot q
C. 
= sec2 q
D. 
= sec q tan q
Convert the measure to the one that is underlined and then add.2.56 kg + 246 g
A. 246,002.56 kg B. 2.806 kg C. 2806 kg D. 502 kg
Find the square root.
A. 2500 B. 1000 C. 500 D. 125,000