Find the value of d2y/dx2 at the point defined by the given value of t.x = t + cos t, y = 2 - sin t, t = 
A. 
B. -2
C. -
D. -4
Answer: D
Mathematics
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Evaluate the integral.
A. tan-1 
+ C
B. 
sin-1 
+ C
C. 
tan-1 
+ C
D. 
ln 
+ C
Mathematics
Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 
; f '(-1)
A. f '(x) = 8; f '(-1) = 8
B. f '(x) = - 8x2; f '(-1) = - 8
C. f '(x) = 
; f '(-1) = 8
D. f '(x) = - 
; f '(-1) = -8
Mathematics
Write out all the terms of the series.
A. 
+ 
+ 
+ 
+ 
B. 
+ 
+ 
+ 
+ 
C. 
+ 
+ 
+ 
+ 
D. 
+ 
+ 
+ 
+ 
Mathematics
Find the derivative.f(x) = 9x7/5 - 5x2 + 104, find f'(x)
A. 
x6/5 - 10x
B. 
x2/5 - 10x + 4000
C. 
x6/5 - 10x + 4000
D. 
x2/5 - 10x
Mathematics