Find the reciprocal, if it exists.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 7
A. 
= - 
; 
= - 
B. 
= 
; 
= 
C. 
= - 
; 
= - 
D. 
= - 
; 
= - 
Mathematics
Find the sum, if it exists, of the terms of the infinite geometric sequence.
A. 3072 B. 1886 C. 3441 D. Does not exist
Mathematics
Solve the formula for the specified variable.P = s1 + s2 + s3 for s2
A. s2 = P - s1 - s3 B. s2 = P + s1 + s3 C. s2 = s1 + P - s3 D. s2 = s1 + s3 - P
Mathematics
Solve by completing the square.x2 = - 3x + 9
A. -3 ± 3
B. 
C. 
D. 
Mathematics