Find the least common denominator of the rational expressions.
and 
A. x(x + 1)2
B. (x + 1)2
C. x(x + 8)(x + 1)
D. x + 1
Answer: C
Mathematics
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Find the domain and range of the function represented in the graph.
A. Domain: [-2, 1); Range: [-4, 3) B. Domain: (-1, 2]; Range: [-1, 1) C. Domain: (-2, 1]; Range: [-2, 1) D. Domain: [-2, 1]; Range: [-2, 1]
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 8x - 9;
Find (f ? g)(x).
A. 2
B. 8
C. 8
- 9
D. 2
Mathematics
For the pair of vectors, find 
.
?
?
A. ?
B. ?
C. ?
D. 
E. ?
Mathematics
Establish the identity.cos(4u) = 2 cos2(2u) - 1
What will be an ideal response?
Mathematics