Multiply the rational expressions. Simplify, if necessary.
? 
A. 
B. 
C. 
D. 
Answer: A
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Find the intervals on which the function is continuous.y = 
A. (-?, -10), (-10, ?)
B. 
, 
C. (-?, ?)
D. (-?, 10), (10, ?)
Give the domain and range of the relation.{(3, 7), (-1, -8), (-7, -4), (5, -8)}
A. domain: {-8, -4, 7}; range: {-7, -1, 3, 5} B. domain: {3, 5, 7}; range: {-8, -7, -4, -1} C. domain: {-7, -1, 3, 5}; range: {-8, -4, 7} D. domain: {-8, -7, -4, -1}; range: {3, 5, 7}
For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(3, -1) and (-4, 20)
A. y = 3x - 10 B. y = -3x + 8 C. y = -3x - 1 D. y = 3x + 8
Provide an appropriate response.Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own no dogs?
A. 20 B. 3 C. 15 D. 8