Find an equation for the ellipse described. Graph the equation.Foci at (-4, -1) and (2, -1); length of major axis is 10

A.

 +  = 1
B.

 +  = 1
C.

 +  = 1
D.

 +  = 1


Answer: A

Mathematics

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Solve.Find the length of arc of the curve  from x = 0 to x = 1. Give your answer in exact form.

A.  + ln(6 + ) - 
B.  + ln(6 + )
C. 1 + ln(6 + )
D.  + ln(6 + )

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Solve the inequality.x2 - 36 ? 0

A. (-?, -6] or [6, ?) B. [-6, 6] C. [-36, 36] D. (-?, -36] or [36, ?)

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Factor the trinomial completely.48x2 + 28xy + 4y2

A. (3x + y)(4x + 3y) B. 4(3x + y)(4x + y) C. 4(3x - y)(4x - y) D. (12x + 4y)(4x + y)

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Differentiate.f(x) = x46x

A. 4x36x + (ln 6) ? x4 ? 6x B. 4x36x + x46x C. 4x36x + (ln x) ? x4 ? 6x D. 4 ? (ln 6) ? x36x

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