Provide an appropriate response.Simplify: 

A. 3
B. 1
C. -3
D. 0

Answer: C

Mathematics

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Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.

A. , x ? 3
B. , x ? 3
C. 8x2 - 38, no restrictions on x
D. 8x - 7, x ? 3

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Mathematics

Solve the problem.Use the graph of f to estimate the local maximum and local minimum.

A. Local maximum: 0; local minima: -2 and 2 B. No local maximum; local minimum: -4 C. Local maximum: ?; local minima: -2 and 2 D. Local maximum: 0; local minimum: -4

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Mathematics

Find the quotient. Write your answer in the form a + bi.

A. -  - i
B.  - i
C. -  - i
D.  + i

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Mathematics

Solve.A lamp shade has the geometric form as shown. The total surface area of a lamp shade with a slant height s and top and bottom base radii of r2 and r1 is given by ? + ? + ?r1s + ?r2s. Find an equivalent expression for the total surface area by factoring out a common factor. 

A. ?( +  + sr1 + sr2)
B. ?*r1(r1 + /r1 + sr1 + sr2)
C. ?(r1 + r2)(r1 + r2 + s)
D. ?(r1 + r2)(r1 + r2 + sr1r2)

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Mathematics