Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 - 6x - 7 < 0
A. (7, ?)
B. (-?, -1) ? (7, ?)
C. (-?, -1)
D. (-1, 7)
Answer: D
Mathematics
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Solve the variation problem.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 3 lb C. 1 lb D. 2 lb
Mathematics
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = - 
i; C is the region defined by the polar coordinate inequalities 2 ? r ? 4 and 
A. - 
B. 
C. 
D. 0
Mathematics
Find the limit  Figure 3.png)
 multiple choice.png)
Mathematics
Find the present value. Round to the nearest cent.To get $5600 after 11 years at 7% compounded annually
A. $2939.48 B. $2660.52 C. $4750.93 D. $2846.76
Mathematics