Solve the inequality.5x2 - 8 < -6x

A.
B.
C.
D.

Answer: C

Mathematics

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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.8 -  +  -  + ... + (-1)n-1  + ...

A. ; 
B. ; 
C. ; 9
D. ; 9

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Mathematics

Solve the inequality graphically by using a graphing calculator.4 cos 2x < 2x - 5

A. x > 1.15 B. 1.15 < x < 2.31, x > 3.63 C. x < 1.15, 2.31 < x < 3.63 D. x > 3.63

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Mathematics

Use a calculator to evaluate the expression. Round your answer to the nearest thousandth.|2 - ?2|

A. -9.881 B. 7.87 C. 9.882 D. -7.87

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Mathematics

Graph the function.f(x) = x3 + 1x - 5

A.

B.

C.

D.

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Mathematics