Perform the indicated operation.Subtract. 4n6 - 20n4 + 3
A. -3n6 - 36n4 + 20
B. -3n6 - 36n4 - 14
C. -53n10
D. -3n6 - 13n4 + 20
Answer: B
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Find the quotient.- 
÷ (- 
)
A. 
B. - 
C. - 
D. 
Solve the problem.The following graph indicates the hourly temperature in Riversbend, IL from 11 P.M. on March 6, 2008 to 7 A.M. on March 7, 2008. The function t(x) = -1.29x2 + 8.80x + 42.69 can be used to estimate the hourly temperature in Riversbend, where x is the number of hours after midnight. Use the graph to determine the hour that the temperature was a minimum.
A. 4 A.M. B. 11 P.M. C. 3 A.M. D. 7 A.M.
The demand equation is 
.
?
Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at 
.
?
A. 
; elastic
B. ?
; inelastic
C. ?
; inelastic
D. 1; unitary
Find the standard form of the equation of a circle that satisfies the given conditions.Center (4, 19); containing the origin
A. (x - 4)2 + (y - 19)2 = 377 B. (x - 4)2 + (y - 19)2 = 19 C. (x - 19)2 + (y - 4)2 = 19 D. (x - 19)2 + (y - 4)2 = 377