Find the integral.dx

A.  + C
B. ln  + C
C. 4 ln  + C
D.  + C

Answer: A

Mathematics

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Find possible value(s) of ? in the interval [0°, 360°) with the given trigonometric function value.sin ? = - 

A. 210°; 330° B. 150°; 210° C. 60°; 120° D. 60°; 300°

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Mathematics

Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line. ? 0

A. (-?, -7) ? (3, 4)

B. (-?, -7] ? [3, 4)

C. [-7, 3] ? (4, ?)

D. [3, 4)

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Mathematics

Calculate. × 0.058 +  × 6.37

A. 6.7875 B. 8.1597 C. 7.6875 D. 7.921095

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Mathematics

Multiply.2

A. 81x2 - 
B. 81x2 - x - 
C. x2 - 2x + 81 
D. x2 + 2x - 81

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Mathematics