Solve the quadratic inequality by any method. Write your answer in interval notation.x2 - 3x - 18 < 0
A. (6, ?)
B. (-?, -6)
C. (-?, -3)
D. (-3, 6)
Answer: D
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Solve the problem by integration.The current i (in A) as a function of the time t (in s) in a certain electric circuit is given by 
Find the total charge that passes a given point in the circuit during the first three seconds.
A. 3.664 C B. 11.067 C C. 1.230 C D. 3.689 C
Solve the problem.A motorcycle and a car leave an intersection at the same time. The motorcycle heads north at an average speed of 20 miles per hour, while the car heads east at an average speed of 48 miles per hour. Find an expression for their distance apart in miles at the end of t hours.
A. t
miles
B. 2t
miles
C. 52
miles
D. 52t miles
Solve the problem.If 3x = 3,what does 3-2x equal?
A. -9
B. 
C. 9
D. 
Simplify.
3
A. 
B. 30
C. 
D. 1