Perform the indicated operation.(20x2 - 16) - (2x2 - 6)

A. 22x2 - 10
B. 18x2 - 10
C. 18x2 - 22
D. 22x2 - 22

Answer: B

Mathematics

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Solve the problem.Does the graph of the function y = tan x - x have any horizontal tangents in the interval  If so, where?

A. No
B. Yes, at x = 0, x = ?, x = 2?
C. Yes, at x = , x = 
D. Yes, at x = ?

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Find the indicated partial sum for the given sequence.s6, 2, 3, 4, 5, . . .

A. 2 B. 12 C. 8 D. 27

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Find decimal notation.

A. 0.836 B. 0.816 C. 0.825 D. 0.785

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Find the exact value of the expression.cos  cos  + sin  sin 

A. 1
B.
C.
D.

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