Simplify the complex fraction.
A. 
B. 
C. k - 2
D. 
Answer: D
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 8 at 
minimum: -8 at 
B. Maximum: 1 at 
minimum: -1 at 
C. Maximum: 1 at 
minimum: -1 at 
D. Maximum: 9 at 
minimum: -9 at 
Mathematics
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 5; r = -2
A. a5 = 80; an = 5 ? (-2)n-1 B. a5 = -40; an = 5 ? (-2)n C. a5 = -40; an = 5 ? (-2)n-1 D. a5 = 80; an = 5 ? (-2)n
Mathematics
Solve the system by graphing.x = y - 25x = 4y
A. {(-8, 6)} B. {(0, 0)} C. {(10, 8)} D. {(8, 10)}
Mathematics
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics