Find the standard-form equation for a hyperbola which satisfies the given conditions.A hyperbola centered at the origin having vertex at (0, -6) and eccentricity equal to 2
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Answer: A
Mathematics
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Identify the function's local and absolute extreme values, if any, saying where they occur.f(x) = 
A. absolute minimum: 3 at x = -3 B. no local extrema C. absolute maximum: 3 at x = -3 D. relative minimum: 3 at x = -3; relative maximum: -3 at x = 3
Mathematics
Solve the equation.
+ 
= 4
A. {-3}
B. 
C. {3}
D. ?
Mathematics
Find the measure of each angle in the problem.
A. 108° and 72° B. 100° and 80° C. 60° and 40° D. 216° and 144°
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Simplify. Assume all variables are non-negative real numbers.
A. 4
B. 16
C. 4
D. 4 
Mathematics