Find the solution to the system of equations by substitution.-4x - 3y = -11  x - 2y = 22

A. (-8, -6)
B. (7, -6)
C. (8, -7)
D. no solution


Answer: C

Mathematics

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Find the domain and range of the inverse of the given function.f(x) = x6 + 3, x ? 0

A. Domain: (-?, 0]; range: (-?, 3] B. Domain: [0, ?); range: [3, ?) C. Domain: [3, ?); range: [0, ?) D. Domain and range: all real numbers

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Graph the conic section.x2 - 4y - 4x = 0

A.

B.

C.

D.

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Find an equation for the ellipse described.Center (0, 0); major axis vertical with length 18; length of minor axis is 16

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

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Find the domain of f.f(x) = 

A. {x | x ? 8} B. {x | x ? -8} C. All real numbers D. {x | x ? ±2}

Mathematics