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) = 
- 
- 
B. f(x) = 
- 
+
C. f(x) = 
+ 
-
D. f(x) = 
+ 
- 
Answer: C
Mathematics
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Graph y = f(x) and y = |f(x)| in the standard viewing rectangle. Determine the x-intercept for the graph of y = |f(x)|.y = 1.75 - 7x
A. 
x-intercept is 0.
B. 
x-intercept is 0.25.
C. 
x-intercept is 0.
D. 
x-intercept is -0.25.
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Solve the linear equation.-7[-3x - 2 - 5(x + 1)] = -3x - 6
A. 
B. 
C. 
D. 
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Graph the circle. State the center and radius of the circle.(x - 3)2 + y2 = 1
A. center (0, 3); r = 1
B. center (3, 0); r = 1
C. center (-3, 0); r = 1
D. center (0, -3); r = 1
Mathematics
Find k such that the function is a probability density function over the given interval. Then write the probability density function.f(x) = kx; [0, 5]
A. 
; f(x) = 
x
B. 
; f(x) = 
x
C. 
; f(x) = 
x
D. 
; f(x) = 
x
Mathematics