Perform the operation indicated. Simplify.
+ 
A. x - 4
B. x + 4
C. 
D. x - 5
Answer: A
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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) = 
- 
+ 2
B. f(x) = 
- 
+ 
C. f(x) = 
- 
+ 2
D. f(x) = 
- 
+ 2
Decide whether or not the function is continuous in the indicated x-interval.2 to 4
A. Not continuous B. Continuous
Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
a = 
, b = 
; find c
A. 25
B. 5
C. 
D. 533
For the given functions f and g, find the requested function and state its domain.f(x) = 4x - 8; g(x) = 8x + 6Find f ? g.
A. (f ? g)(x) = 32x2 - 40x - 48; (-?, ?) B. (f ? g)(x) = 32x2 - 48; (-?, -48) ? (-48, ?) C. (f ? g)(x) = 12x2 - 40x - 2; (-?, ?) D. (f ? g)(x) = 32x2 - 58x - 48; (-?, -48) ? (-48, ?)