Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first 41 terms of the arithmetic sequence {5n + 1}.
A. 4243.5
B. 4346
C. 4489.5
D. 4633
Answer: B
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Analyze the situation and explain how you would make a decision.The costs per day of driving to work are $5 for gas, $10 for parking, and $1 for wear-and-tear on the car. Taking the train to work costs $6.50 each way, plus $1.50 per day to park at the train station. Should you drive or take the train?
What will be an ideal response?
Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
Refer to the figure and provide an appropriate name for the indicated angles. 
?4
A. Acute angle B. Vertical angle C. Obtuse angle D. Right angle
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - x3 + x2 + 9x - 10 B. f(x) = x4 - x3 + 3x2 - 5x - 10 C. f(x) = x4 - 3x3 + 5x2 - x - 10 D. f(x) = x4 - 3x3 - 3x2 + 7x + 6