Write the proportion.2 is to 5 as 12 is to 30.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
Mathematics
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Divide.
A. 1.
B. 1.
C. 1.8
D. -1.
Mathematics
For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 
; g(x) = 
;
Find f - g.
A. (f - g)(x) = 
; (-?, 0) ? (0, ?)
B. (f - g)(x) = 
; (-?, 
? 
, ?)
C. (f - g)(x) = 
; (-?, 
? 
, ?)
D. (f - g)(x) = 
; (-?, 
? 
, ?)
Mathematics
Identify the vertex of the given parabola.f(x) = -(x + 2)2 - 8
A. (-2, 8) B. (-2, -8) C. (2, 8) D. (2, -8)
Mathematics
State the domain of the rational function.f(x) = 
A. (-?, ?) B. (-?, -2) ? (-2, 7) ? (7, ?) C. (-?, -7) ? (-7, 2) ? (2, ?) D. (-?, 7) ? (7, ?)
Mathematics