Write the partial fraction decomposition of the rational expression.
A. +
B. +
C. +
D. +
Answer: C
Mathematics
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Find a general term an for the geometric sequence.a1 = - and r = -2
A. an = - +
(n - 1)
B. an = - ? (-2)(n-1)
C. an = n-1 +
D. an = - -
(n - 1)
Mathematics
Sketch the graph of the polynomial function. Use the rational zeros theorem when finding the zeros.f(x) = 2x3 + x2 - 13x + 6
A.
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B.

C.

D.

Mathematics
Simplify the radical. Assume that all variables represent positive real numbers.-
A. -
B. Not a real number
C.
D.
Mathematics
Multiply.(5x + 9)(5x - 9)
A. 25x2 - 90x - 81 B. 25x2 + 90x - 81 C. x2 - 81 D. 25x2 - 81
Mathematics