Evaluate the integral using the given substitution.
dx, u = 4x2
A. 
sin (4x2) + C
B. sin(4x2) + C
C. 
sin (4x2) + C
D. 
sin (u) + C
Answer: A
Mathematics
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Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. 
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Supply the missing numbers. fraction decimal percent0.8
A. 
80%
B. 
8%
C. 
8%
D. 
80%
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Find the general term of the arithmetic sequence then find the indicated term of the sequence. Assume that the domain of the sequence is all natural numbers.Find an and a8.
A. an = n + 1; a8 = 9 B. an = n - 2; a8 = 6 C. an = n + 2; a8 = 10 D. an = n - 1; a8 = 7
Mathematics
Multiply.(-2x2y2 + 8xy + 7)(-3x2y)
A. 6x4y3 + 24x3y2 - 21x2y B. 6x4y3 - 24x3y2 - 21x2y C. 6x4y2 - 24x3y - 21x2y D. 6x4y3 - 24x3y2 + 21x2y
Mathematics