Evaluate the integral.
dx
A. 6
B. 
C. 
D. 
Answer: C
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 
; f '(0)
A. f '(x) = 8; f '(0) = 8
B. f '(x) = - 
; f '(0) = -2
C. f '(x) = 
; f '(0) = 2
D. f '(x) = - 8(x + 2)2; f '(0) = - 32
Mathematics
Find the work done by F over the curve in the direction of increasing t.F = xyi + 6j + 9xk; C: r(t) = cos 5ti + sin 5tj + tk, 0 ? t ? 
A. W = 
B. W = 
C. W = 
D. W = 0
Mathematics
Factor completely. If the polynomial is prime, state so.25x2 + 64y2
A. Prime B. (5x - 8y)2 C. (5x + 8y)(5x - 8y) D. (5x + 8y)2
Mathematics
Find the exact value. Do not use a calculator.cos (-?)
A. 1 B. 0 C. -1 D. undefined
Mathematics