Evaluate the limit if one exists.
A. Does not exist
B. 
C. 1
D. 
Answer: D
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Suppose 
and 
. Use this information to estimate the value of
src="https://sciemce.com/media/3/ppg__cognero__Section_6.3_Estimating_Rates_of_Change__media__44bdb9b1-9d6a-4570-92cf-af2a7f8f2803.PNG" style="vertical-align:middle;" /> when 
.
?
A. 0
B. 20
C. -4
D. -20
Write the first four terms of the sequence.an = 
n-1
A. a1 = 0, a2 = 
, a3 = 
, a4 = 
B. a1 = 7, a2 = 1, a3 = 
, a4 = 
C. a1 = 1, a2 = 
, a3 = 
, a4 = 
D. a1 = -1, a2 = 
, a3 = 
, a4 = 
Find the indicated fractional part.
of 
A. 
B. 
C. 
D. 
Solve the problem. Round your answer to the nearest tenth, if necessary.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is a constant 50 mph, and the total flight took 4 hours, find the speed of the plane.
A. 550 mph B. 435 mph C. 525 mph D. 605 mph