Find a formula for the expression. Use sigma notation.n

A.
B.
C.
D.

Answer: B

Mathematics

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Choose the pair of rational numbers that are between the given fractions. and 

A. , 
B. , 
C. , 
D. , 

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Mathematics

Sketch the graph of the function. Give the coordinates of the vertex.f(x) = -(x - 3)2

A. vertex (-3, 0)
 
B. vertex (0, -3)

C. vertex (3, 0)
 
D. vertex (0, 3)
 

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Mathematics

Find the general solution of the differential equation. + 2y = 19

A. 19 + Me2x
B.  + Me2x
C.  + e2x + Me-2x
D.  + Me-2x

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Mathematics

Find the product of the given binomial and its conjugate. - 7

A. -44 - 14
B. 54
C. -24 + 14
D. -44

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Mathematics