Solve the problem.The graph shows the sales of a particular brand of appliance from 1992 to 2010, where 1992 corresponds to 
. Is the slope of the line in the graph positive or negative? Explain. 
A. Positive; The sales are increasing.
B. Negative; The sales are decreasing.
Answer: A
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Solve the problem.The polynomial 1 + 7x + 21x2 is used to approximate 
on the interval 
. Use the Remainder Estimation Theorem to estimate the maximum absolute error.
A. ? 2.061 x 10-5 B. ? 3.642 x 10-5 C. ? 3.642 x 10-4
Choose the appropriate sketch and description for the indicated geometric object.Equilateral ?ABC
A. 
, 
, 
have different lengths; ?B = 90°
B. 
, 
are the same length
C. 
, 
, 
have different lengths
D. 
, 
, 
are the same length
Use integration by parts to establish a reduction formula for the integral.
A. 
= - 
sinn-1 x cos x + 
B. 
= - 
sinn-1 x cos x - 
C. 
= sinn-1 x cos x - (n - 1) 
D. 
= sinn-1 x cos x + (n - 1) 
Use an integer to express the number.This year corn production increased 44,000 pounds from last year on Steve's farm.
A. -44,000 B. 44,000