Find the standard equation of the hyperbola.Vertices at (0, ±4), asymptotes at y = ± 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: D
Mathematics
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Find the indicated composition.f(x) = 5
; g(x) = 2x + 7Find (g ? f)(x).
A. (g ? f)(x) = 10
+ 7
B. (g ? f)(x) = 5
C. (g ? f)(x) = 5
+ 7
D. (g ? f)(x) = 5
Mathematics
Use the standard normal curve table to find the closest z-score for the given condition.20.1% of the total area is to the right of z.
A. 0.83 B. 0.82 C. -0.84 D. 0.84
Mathematics
State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Parallel, same direction B. Parallel, opposite directions C. Perpendicular D. Neither
Mathematics
Solve the system algebraically.x + 3y = -42x + 3y = 4
A. (-8, -5) B. (9, 8) C. no solution D. (8, -4)
Mathematics