Find all values of the variable for which the rational expression is undefined.
A. -9
B. 19
C. 0
D. 9
Answer: D
Mathematics
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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(2, ?)
A. increasing B. constant C. decreasing
Mathematics
Divide, simplifying if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Use the given information to find the exact value of the trigonometric expression.cos ? = - 
; 
< ? < ?
Find tan(2?).
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The floor of a rectangular room is to be tiled with 
foot square tiles along a 12
foot wall. How many tiles will be needed along the wall?
A. 36
tiles
B. 4
tiles
C. 36
tiles
D. 38 tiles
Mathematics