Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate system and finding points of intersection.x = y2 - 7x = y2 - 7y 
A. {(-6, -1)}
B. {(-6, 1)}
C. {(1, -6)}
D. {(6, 1)}
Answer: B
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L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. 0 B. ? C. 4 D. 2
Write interval notation for the given set or graph.{x ? x > -4}
A. (-?, -4] B. (-?, -4) C. [-4, ?) D. (-4, ?)
Translate the problem to a system of equations, then solve using Cramer's Rule.The perimeter of a rectangle is 24 meters. If the width is doubled and the length is tripled, the perimeter is 60 meters. Determine the original width and length.
A. width = 10 m, length = 20 m B. width = 8 m, length = 12 m C. width = 6 m, length = 6 m D. width = 12 m, length = 12 m
Express as a sum of logarithms.logx 4yz
A. (logx 4)(logx y)(logx z) B. logx (4 + y + z) C. logx 4 + logx y + logx z D. log4 y + log4 z