Divide. Abbreviate any repeating decimal by placing a bar over the repetend. 

A. 12.1
B. 1.21
C. 2.1
D. 0.21


Answer: D

Mathematics

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Evaluate the integral.dx

A.  cot4 x sec x + C
B. -  cot2 x - ln  + C
C.  cot4 x + C
D.  cot2 x + ln  + C

Mathematics

Give an appropriate answer.Letf(x) = 243. Find.

A. 243 B. 8 C. 5 D. 3

Mathematics

Use the discriminant to determine the number of real solutions of the equation.36x2 + 12x + 1 = 0

A. 1 B. No real solutions C. 2

Mathematics

Find the integral.

A. -12e + C
B. e + C
C. e + C
D. -24e + C

Mathematics