Evaluate the integral.
A. 
(e2x - e-2x) + C
B. 
(e2x + e-2x) + C
C. 
(e2x + e-2x) + C
D. 
(ex - e-x) + C
Answer: C
Mathematics
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Solve the problem.Use the sequence of equations to find the unknown sum.1 = 11 - 4 = -31 - 4 + 9 = 6 . . . . . . . . 1 - 4 + 9 - . . . 81 = ?
A. -36 B. 27 C. -55 D. 45
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Use the given matrices to compute the given expression.Let A = 
and B = 
. Find 3A + 4B.
A. 
B. 
C. 
D. 
Mathematics
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = x2 from x = 0 to x = 4; n = 4
A. 27 B. 33 C. 30 D. 36
Mathematics
Solve the equation.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics