Find the center and radius of the circle.(x - 7)2 = 4 - (y + 7)2
A. Center: (7, -7); radius: 2
B. Center: (-7, 7); radius: 2
C. Center: (7, -7); radius: 4
D. Center: (-7, 7); radius: 4
Answer: A
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Use the table of values of f to estimate the limit.Let f(x) = x2 - 5, find 
f(x).
A. 
; limit = -15.0
B. 
; limit = -3.0
C. 
; limit = ?
D. 
; limit = -5.0
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 1
; 
B. 2
; 
C. 4
; 
D. 1
; 
A study found that the divorce rate d (given as a percentage) appears to depend on the ratio r of available men to available women. This function can be approximated by
?
?
There are currently 0.8 available men per available woman in Littleville, and this ratio is increasing by 0.1 per year. At what percent is the divorce rate decreasing?
?
A. 0.4% per year B. 0.08% per year C. 10% per year D. 4% per year E. 10.1% per year
Factor completely, if possible.8x2 - 17x - 21
A. (8x + 7)(x - 3) B. (x - 7)(x - 3) C. (7x + 8)(x - 3) D. (x + 8)(x - 3)