Simplify the radical.- 
A. 8.368
B. -5
C. 25
D. not a real number
Answer: B
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 1 - 
+ 
(sin x - sin 2x + . . .)
B. f(x) = 1 - 
+ 
(sin x - sin 2x + . . .)
C. f(x) = 2 - 
+ 
(sin x - sin 2x + . . .)
D. f(x) = 2 - 
+ 
(sin x - sin 2x + . . .)
Graph the parabola and label the vertex. Find the x-intercept.x = 
y2
A. vertex (0, 0), x-intercept (0, 0)
B. vertex (0, 0), x-intercept (0, 0)
C. vertex (0, 0), x-intercept (0, 0)
D. vertex (0, 0), x-intercept (0, 0)
Find the product of the given binomial and its conjugate.
- 7
A. -44 - 14
B. 54
C. -24 + 14
D. -44