Find the slope of the line passing through the given pair of points.(1, 4) and (1, -9)
A. - 
B. Not defined
C. 
D. 0
Answer: B
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Write the series in summation notation. Use the index i and let i begin at 1 in each summation.2 + 3 + 4 + 5 + 6
A. 
B. 
C. 
D. 
If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 
feet, s = 16 feet, ? = ?
A. 
radians
B. 40 radians
C. 40°
D. 
°
Add.(9x8 - 3x7 - 2x6 - 2 ) + (5x8 - 8x7 - 6x6 - 4 )
A. 14x16 - 11x14 - 8x12 - 6 B. -10x8 - 10x7 + 5x6 + 2 C. 14x8 - 11x7 - 8x6 - 6 D. -5x42 - 6
Solve the problem.The data below represent the average monthly cost of natural gas in an Oregon home. 
Above is the graph of 45.05 sin x superimposed over a scatter diagram of the data. Find the sinusoidal function of the form 
which best fits the data.
A. y = 45.05 sin 
+ 66.25
B. y = 45.05 sin 
+ 21.20
C. y = 45.05 sin 
+ 21.20
D. y = 45.05 sin 
+ 66.25