Find the numerical value of the rational expression for the given value of x., x = 3

A.
B. - 
C.
D.


Answer: A

Mathematics

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Evaluate the integral using the given substitution. , u = 2 - s4

A.  + C
B.
C. -6 + C
D. -6s3 + C

Mathematics

Find the gradient ?f.f(x, y) = xy8 - x6

A. 8xy7i + (y8 - 6x5)j B. (y8 - 6x5)i + 8y7j C. (xy8 - 6x5)i + 8xy7j D. (y8 - 6x5)i + 8xy7j

Mathematics

Find the indicated probability. Round your answer to 6 decimal places when necessary.A bag contains 5 red marbles, 4 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?

A.
B. 6
C.
D.

Mathematics

Insert the correct sign of inequality (> or <) between the given numbers.1 1

A. 1 > 1
B. 1 < 1

Mathematics