Find the center, radius, and intercepts of the circle.x2 + y2 - 4y - 21 = 0
A. (h, k) = (0, 2), r = 5
x-int: x = 
; y-int: y = 7
B. (h, k) = (2, 0), r = 25
x-int: x = ±
; y-int: y = 7, -3
C. (h, k) = (0, -2), r = 25
x-int: x = 
; y-int: y = 7, -3
D. (h, k) = (0, 2), r = 5
x-int: x = ±
; y-int: y = 7, -3
Answer: D
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A. (5, ?) B. (-?, ?) C. (-?, 5] D. [0, ?)
Provide an appropriate response.An initial investment of $300 grows at an annual rate of 4.5% compounded bimonthly. Find how long it takes for the investment to amount to $450.
Fill in the blank(s) with the appropriate word(s).
Graph the function with a graphing utility.y = x2 + 2x - 7
A. 
B. 
C. 
D. 
Use the discriminant to determine the number of real solutions of the equation.36x2 + 12x + 1 = 0
A. 1 B. No real solutions C. 2