Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.
A. r = 
; (h, k) = (-2, 4); (x + 2)2 + (y - 4)2 = 5
B. r = 
; (h, k) = (-2, 4); (x - 2)2 + (y + 4)2 = 5
C. r = 5; (h, k) = (-2, 4); (x + 2)2 + (y - 4)2 = 25
D. r = 5; (h, k) = (-2, 4); (x - 2)2 + (y + 4)2 = 25
Answer: C
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Solve the rational inequality. Express the solution in interval notation.
? 0
A. (-?, -12] ? [8, ?) B. (-?, -12] ? (1, 8] C. [-12, 1) ? [8, ?) D. [-12, 1) ? (1, 8]
Solve the problem.Find the acute angle ? (in degrees) that satisfies the equation ? = sin-1 
.
A. 45° B. 120° C. 135° D. 60°
A study conducted by TeleCable estimates that the number of cable TV subscribers will grow at the rate of
?
?
new subscribers/month t months from the start date of the service. If 4,000 subscribers signed up for the service before the starting date, how many subscribers will there be 16 months from that date?
?
__________ subscribers
Fill in the blank(s) with the appropriate word(s).
Solve the polynomial equation in the complex numbers. x4 + 3x3 - 5x2 - 9x - 2 = 0
A. {-1, 2, -2 + 
, -2 - 
}
B. {1, -2, -2 + 
, -2 - 
}
C. {-1, -2, -2 + 
, -2 - 
}
D. {-1, 3, -2 + 
, -2 - 
}