Which of the relations represents a function?I. 
II. 
III. 
A. I only
B. II only
C. I & II
D. II & III
E. none of these
Answer: D
Mathematics
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Solve the problem.The gravitational force (in lb) of attraction between two objects is given by 
where x is the distance between the objects. If the objects are 15 ft apart, find the work required to separate them until they are 75 ft apart. Express the result in terms of k.
A. 
k
B. 
k
C. 
k
D. 
k
Mathematics
Find the GPA for the grade report. Round to the nearest hundredth when necessary.
A. 2.45 B. 1.45 C. 3.77 D. 9.80
Mathematics
Use the quadratic formula to solve the equation.-2x2 + 3x - 2 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the rational function.g(x) = 
A. (-?, 0) ? (0, ?) B. (-?, 3) ? (3, ?) C. (-?, ?) D. (-?, -3) ? (-3, ?)
Mathematics