Find the domain and the vertical asymptote of the function.f(x) = ln (-8 - x)
A. Domain: (-8, ?); vertical asymptote: x = -8
B. Domain: (-?, -8); vertical asymptote: x = -8
C. Domain: (8, ?); vertical asymptote: x = 8
D. Domain: (-?, 8); vertical asymptote: x = 8
Answer: B
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Determine the quadratic function whose graph is given.
A. f(x) = -x2 - 9 B. f(x) = x2 - 9 C. f(x) = x2 + 9 D. f(x) = -x2 + 9
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Consider a soldier facing in a given direction (say north). Let us denote "left face" by l, "right face" by r, "about face" by a, and "stand fast" by f. (The element f means "don't move from your present position". It does not mean "return to your original position"). Then we define 
and an operation 
meaning "followed by". Thus,
data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__5.1_Natural_Numbers__media__ca9d2d92-10f1-49f6-954f-2c539022d637.PNG" style="vertical-align: middle;" /> means "left face" followed by "left face" and is the same as the single command "about face". Complete the following table.
a f l r a________________________________________ f________________________________________ l____________________ a__________ r________________________________________
What will be an ideal response?
Factor out the largest common factor.a(7 - b) + c(7 - b)
A. a(7 - b) + c B. (7 - b)(a - c) C. (7 - b)(a + c) D. a(7 - b) - c