Solve the equation in the real number system.x4 - 5x2 - 36 = 0
A. {-2, 2}
B. {-3, -2, 2, 3}
C. {-6, 6}
D. {-3, 3}
Answer: D
Mathematics
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Find the largest open interval where the function is changing as requested.Increasing y = 7x - 5
A. (-5, ?) B. (-?, ?) C. (-5, 7) D. (-?, 7)
Mathematics
Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the semicircle y = 
if the density of the rod is 
.
A. 
= 
, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 1
D. 
= 1, 
= 1
Mathematics
1.432 to the nearest hundredth
A. 1.44 B. 1.42 C. 1.4 D. 1.43
Mathematics
Simplify the expression. If any variables are present, assume that they are positive.
A. 
B. 3
C. 
D. 
Mathematics