Determine if the statement is a rational equation.
= 
A. Yes
B. No
Answer: A
Mathematics
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Solve the problem.What region in the xy-plane maximizes the value of 
?R
A. The ellipse 100x2 + 49y2 = 1
B. The ellipse 
+ 
= 1
C. The ellipse 
+ 
= 1
D. The ellipse 49x2 + 100y2 = 4900
Mathematics
Perform the indicated operation.
A. 5x2 - 2 B. x2 - 2x + 2 C. 5x2 + 2x - 2 D. x2 + 2x - 2
Mathematics
Find the domain of the composite function (g ? f)(x). Write the domain in interval notation.f(x) = 4x + 7, g(x) = 2x - 1
A. [0, ?) B. (-?, 0] C. [-2, 0) D. (-?, ?)
Mathematics
Solve the problem.At an altitude of 3100 ft, the engine on a small plane fails. What angle of glide is needed to reach an airport runway that is 5 miles away by land? (Round your answer to the nearest tenth of a degree.)
A. 88.9° B. 89.9° C. 6.7° D. 7.7°
Mathematics