Find the domain of the function.f(x) = ln 
A. x > 0
B. x > 9
C. x > 1
D. x > -9
Answer: B
Mathematics
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Perform the following operation. ? Multiply (5x + 6) and (x - 8). ?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = x2 - 6x - 9
A. (3, -36) B. (-3, 18) C. (-6, 63) D. (3, -18)
Mathematics
Perform the indicated operation.
- 
A. - 
B. - 
C. 
D. 
Mathematics
Find the indicated root, or state that the expression is not a real number.-
A. -100 B. not a real number C. -10 D. 10
Mathematics