If 
, find 
.?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Provide an appropriate response.Explain why the conjunction -1 < x and x < 4 can be rewritten as 
but the disjunction 
cannot be rewritten as 
What will be an ideal response?
Mathematics
Add or subtract by first simplifying each radical and then combining any like radicals. Assume that all variables represent positive numbers.
+ 
+ 
+ 
A. 109
+ 21
B. 
+ 
+ 21
C. 13
+ 21
D. 13
+ 
+ 
Mathematics
Add, subtract, or multiply, as indicated. Express your answer as a single polynomial in standard form.(3x + 1)(x - 7)
A. 3x2 - 21x - 7 B. 3x2 - 20x - 7 C. x2 - 20x - 21 D. x2 - 7x - 20
Mathematics
Perform the division. Write the answer with positive exponents.
A. 3x3 + 8x2 + 8
B. 3x3 + 40x8 + 40x6 + 20x4 + 3x3
C. 15x9 + 8x2 + 8 + 
+ 
D. 3x3 + 8x2 + 8 + 
+ 
Mathematics