Find the slope of a line tangent to the given curve at the given point.y = x cos 4x; x = 1.31 (Round the nearest hundredth.)
A. 3.46
B. 5.03
C. 1.77
D. -4.02
Answer: B
Mathematics
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Solve the system. x + y + z = -2 x - y + 3z = 144x + y + z = -8
A. {(-2, -4, 4)} B. {(4, -4, -2)} C. ? D. {(4, -2, -4)}
Mathematics
Solve the problem.During the first four months of the year, Jack earned 
and 
If Jack must have an average salary of at least 
in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify
for benefits? A. at least $1040 B. at most $1215 C. at least $1208 D. at most $1180
Mathematics
Find an equation of the line containing the given pair of points(-7, -41) and (2, 4)
A. y = - 
x - 
B. y = 5x - 6
C. y = 
x - 
D. y = -5x - 76
Mathematics
Convert from degree-minute-second form to decimal degrees to two decimal places.
59°34?18?? A) 59.51° B) 59.53° C) 59.55° D) 59.57°
Mathematics