Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse.{(16, 10), (7, 15), (-1, -3)}
A. No inverse
B. {(10, 16), (-1, 7), (-3, 15)}
C. {(10, 16), (15, 7), (-3, -1)}
D. {(16, 15), (16, 7), (-3, -1)}
Answer: C
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Solve the problem.Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a large company. Find the number of different ways that five of these people could be hired if the first two positions are to be filled by accounting majors, the third position is to be filled by an economics major, and the last two positions are to be filled by marketing majors.
A. 24 B. 4 C. 288 D. 144
Write an equation of the line passing through the given points.(3, 15) and (4, 17)
A. y = 
x + 
B. y = - 
x + 
C. y = -2x + 21
D. y = 2x + 9
Solve the rational inequality.
+ 
? - 
A. [-4, -2) ? (-2, 1] B. [-4, -2) ? [1, 2) C. (-?, -4 ] ? (-2, 1] ? (2, ?) D. (-?, -2 ] ? [ 1, 2)
Solve.In an experiment with a laser beam, the path of a particle orbiting an object is described by the equation 
, where x and y are measured in centimeters from the center of the object. The laser beam follows the path 
. Find the coordinates at which the laser will illuminate the particle (that is, when the particle will pass through the laser beam).
A. (10, 0) and (0, -7) B. (-10, 0) and (0, 7) C. (7, 0) and (0, -10) D. (-7, 0) and (0, 10)