Determine whether the equation defines y as a function of x. x2 - 5y2 = 1
A. function
B. not a function
Answer: B
Mathematics
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Add.
A. 115,938 B. 104,938 C. 104,838 D. 105,938
Mathematics
Solve.A meteor circles the earth in an elliptical orbit. The major axis of the elliptical orbit is 22 × 108 miles long and the minor axis is 12 × 108 miles long. If the earth is at one focus of the orbit what is the distance from the other focus?
A. 2 × 
× 108 mi
B. 2 × 
× 103 mi
C. 2 × 
× 104 mi
D. 
× 104 mi
Mathematics
P(0 ? X ? 2.1); X is Normal (2, 1).
Find the probability for the given random variable.
Mathematics
Factor completely. If the polynomial is prime, state so.192x4 - 81xy3
A. 3x(4x + 3y)(16x2 - 12xy + 9y2) B. 3(4x - 3y)(16x2 + 12xy + 9y2) C. 3x(4x - 3y)(16x2 - 12xy + 9y2) D. 3x(4x - 3y)(16x2 + 12xy + 9y2)
Mathematics