Use the given information to write the equation of the circle in standard form.The set of all points that are a distance of 11 units from (-2, -6).
A. (x - 2)2 + (y - 6)2 = 121
B. (x + 2)2 + (y + 6)2 = 121
C. (x - 6)2 + (y - 2)2 = 11
D. (x + 6)2 + (y + 2)2 = 11
Answer: B
Mathematics
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The function f is one-to-one. Find its inverse.f(x) = x2 + 2, x ? 0
A. f-1(x) = 
- 2, x ? 0
B. f-1(x) = 
, x ? 2
C. f-1(x) = 
, x ? -2
D. f-1(x) = 
- 2, x < 0
Mathematics
Solve the equation.log81 = x
A. 
B. 
C. 
D. 
Mathematics
In ?ABC, if AD = 32 and BD = 18, find CD.
Mathematics
Find an equation in slope-intercept form for the nonvertical lines. Write the vertical lines in the form x = h.Passing through (-6, -8) and (4, -8)
A. y = 3x + 16 B. y = -6x - 38 C. y = -8 D. y = 2x + 10
Mathematics