Perform the indicated operations and simplify.
What will be an ideal response?
Mathematics
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Solve the problem.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path? 
A. 39 million miles B. 4.5 million miles C. 1.7 million miles D. 6.2 million miles
Mathematics
Divide.
A. 40
B. -1.95
C. 
D. -19.5
Mathematics
Evaluate.Subtract -7.8 from -16.4
A. -24.2 B. 24.2 C. 8.6 D. -8.6
Mathematics
Determine the domain and the range of the function.f(x) = -x2 + 2x + 3
A. domain: all real numbers range: {y|y ? -4} B. domain: all real numbers range: {y|y ? 4} C. domain: all real numbers range: all real numbers D. domain: {x|x ? -1} range: {y|y ? 4}
Mathematics