Find the domain of f. Write your answer in interval notation.f(x) = 
A. [-13, ?)
B. [13, ?)
C. (-?, 13)
D. (-?, -13)
Answer: A
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Use the ratio test to determine if the series converges or diverges.
A. Converges B. Diverges
Find an antiderivative of the given function.x7 - 
A. 
+ 
B. 
- 
C. 
- 
D. 7x6 + 
Solve the problem.The table shows the number of deaths due to car accidents in a certain city in various years. 
Let f(t) be the number of deaths due to car accidents at t years since 2012. Suppose that you wish to model f using a quadratic equation. What is the vertex of the model? What does it mean in this situation?
A. (0, 202); the smallest number of deaths due to car accidents was 202 in 2012 B. (2, 261); the largest number of deaths due to car accidents was 261 in 2014 C. (3, 270); the largest number of deaths due to car accidents was 270 in 2015 D. (5, 219); the smallest number of deaths due to car accidents was 219 in 2017
Evaluate.i27 + i23
A. -2 B. -2i C. 0 D. 2