Simplify the expression. Assume that all variables represent positive real numbers.-321/5
A. 16
B. -8
C. -2
D. 32
Answer: C
Mathematics
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Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, -1) for -5xy2 - 7x2y + 4x = 0.
A. 
B. 3
C. - 
D. - 
Mathematics
Find the domain of the rational expression. 
A. {x|x is a real number and x ? -8 and x ? -9} B. {x|x is a real number and x ? 8 and x ? 9} C. {x|x is a real number} D. {x|x is a real number and x ? -8 and x ? 9}
Mathematics
Find the indicated partial sum for the sequence.4, -10, 16, -22, . . .; S8
A. 24 B. -24 C. 10 D. -20
Mathematics