Solve the problem.If u = 7i - 4j and v = -2i + 9j, find u + v.
A. 5i + 5j
B. 9i + 4j
C. 4i + 5j
D. -9i + 5j
Answer: A
Mathematics
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Solve the problem.A satellite following the hyperbolic path shown in the picture turns rapidly at (0, 6) and then moves closer and closer to the line y = 
x as it gets farther from the tracking station at the origin. Find the equation that describes the path of the satellite if the center of the hyperbola is at (0, 0).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Evaluate the function at the given value of the independent variable and simplify.f(x) = 
;f(2)
A. - 1
B. 
C. 
D. - 
Mathematics
Find any excluded values.
A. -8, 0 B. -8 C. 0, 8 D. 8
Mathematics
Graph the parabola.x = y2 - 4y + 4
A. 
B. 
C. 
D. 
Mathematics