Without actually solving the equation, list all possible numbers that would have to be rejected if they appeared as potential solutions. 
+ 
= 0
A. -6, 9
B. 6, -9
C. -6, 9, 9, 7
D. 6, -9, -9, -7
Answer: A
Mathematics
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Describe how to transform the graph of f into the graph of g.f(x) = 
and g(x) = 6
A. Vertical scaling by a factor of 6
B. Horizontal scaling by a factor of 6
C. Vertically scaling by a factor o 
D. Horizontal scaling by a factor of 
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Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the relation is a function.{(-5, 1), (-3, 5), (1, -1), (8, -1)}
A. Not a function B. Function
Mathematics
Solve.Two plumbers make house calls. One charges $90 for a visit plus $40 per hour of work. The other charges $70 per visit plus $50 per hour of work. For how many hours of work do the two plumbers charge the same?
A. 2 hr B. 2.5 hr C. 1.5 hr D. 1 hr
Mathematics