Find the integral. dx

A. 2x3 + x + C
B. x + C
C. 12x + C
D. 2x3 + C


Answer: A

Mathematics

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Estimate error made by using the partial sum S4 as an approximation to the sum S of the entire series.

A. 8.33 x 10-14 B. -1.00 x 10-11 C. -1.11 x 10-10 D. -9.09 x 10-13

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Write the inequality in interval notation.0 ? x < 4

A. [0, 4] B. [0, 4) C. (0, 4) D. (0, 4]

Mathematics

Evaluate the expression for the given replacement values.5x + 4y for x = 9 and y = 2

A. 13 B. 49 C. 9 D. 53

Mathematics

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

A.
B.
C.
D. 1

Mathematics