Find the equilibrium solution of the equation. Use a sketch of the direction field for 
to determine whether the equilibrium is stable.u'(t) + 
= -1
A. u = -14; stable
B. u = 
; unstable
C. u =- 
; stable
D. u = 14; unstable
Answer: A
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Write the statement in symbolic form.Let p: The outside humidity is low. q: The central humidifier is running. r: The air in the house is getting dry.If the outside humidity is low or the central humidifier is not running, then the air in the house is getting dry.
A. (p ? q) ? r B. (p ? ~ q) ? r C. (p ? ~ q) ? r D. (~p ? ~ q) ? r
Solve the rational inequality.
< 1
A. (-2, 4) B. (-?, -2) C. (-?, -2) ? (4, ?) D. (-2, ?)
Find the equation of the least squares line.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Number of hours spent in lab (x) Grade (percent)(y) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. y = 1.86 + 88.6x B. y = 88.6 - 1.86x C. y = 44.3 + 0.930x D. y = 0.930 + 44.3x
Provide an appropriate response.(56 + 89) + 103 = 24856 + (89 + 103) = 248This is an example of the 
.
A. commutative property of addition B. associative property of addition C. associative property of multiplication D. commutative property of multiplication