Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.4
- 2
+ 8
A. 172
B. -172
C. 60
D. 4
Mathematics
Graph the function.y = 1 - tan 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Describe the domain of f(x) = 
.Enter your answer in standard interval notation.No variables.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics