For problems 4-15, perform the indicated operations and simplify.
A. 
B. 
C. 
D. 
E. none of these
Answer: D
Mathematics
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Use a sum or difference identity to find the exact value.
A. - 
B. -2
C. - 
D. - 
Mathematics
Find the real solutions of the equation.
- 
= 0
A. {-3, 1} B. {3} C. {3, -1} D. no real solution
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 9x + 1; g(x) = 6x + 3Find f ? g.
A. (f ? g)(x) = 54x2 + 33x + 3; all real numbers B. (f ? g)(x) = 54x2 + 3; {x|x ? 3} C. (f ? g)(x) = 15x2 + 33x + 4; all real numbers D. (f ? g)(x) = 54x2 + 9x + 3; {x|x ? 3}
Mathematics
Solve the problem.Given log b 4 = 1.0596 and log b 7 = 1.4873.Find log b 4b .
A. 1.0596 B. 2.0596 C. 1.1514 + b D. 2.5469
Mathematics