Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.(
+ 4)(
+ 4)
A. 
+ 16
B. 9
+ 16
C. 
+ 4
+ 4
+ 16
D. 
+ 8
+ 16
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Find the nth term an of the geometric sequence.1.4, -1.12, 0.896, -0.7168, . . .
A. an = -1.4(0.8)n-1 B. an = 1.4(-0.8)n C. an = -1.4(0.08)n D. an = 1.4(-0.8)n-1
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Provide an appropriate response.Find fxy for f(x, y) = 8x3 y - 7y2 + 2x .
A. 24x2 B. 48xy C. -14 D. -28
Mathematics
Express the number in terms of j (if necessary, round the result to three significant digits).
A. 
B. 
C. 
D. 
E. 
Mathematics