Solve the equation by completing the square.x2 + 5x - 5 = 0
A. 
B. 
C. 
D. {-5 - 3
, -5 + 3
}
Answer: B
Mathematics
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Find the inverse of the function.f(x) = 6 - x
A. f-1(x) = x + 6
B. f-1(x) = x - 6
C. f-1(x) = 
D. f-1(x) = 6 - x
Mathematics
Factor the difference of two squares.x2 - 121
A. (x - 11)2 B. (x + 11)2 C. (x + 11)(x - 11) D. prime
Mathematics
Solve.-4.2x + 19.06 = -5.3
A. -24.36 B. 3.3 C. -13.76 D. 5.8
Mathematics
Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line 
about the y-axis. Find the volume of the cylinder.
A. ?rh B. 2?r2h C. ?r2h D. ?rh2
Mathematics