Add.7 + (-15)
A. -8
B. 8
C. -22
D. 22
Answer: A
Mathematics
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Provide an appropriate response.If x3 ? f(x) ? x for x in [-1, 1], find 
f(x) if it exists.
A. -1 B. 0 C. 1 D. Does not exist
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Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
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Factor the expression completely.15x2 - 65x - 50
A. (15x + 10)(x - 5) B. (3x + 2)(5x - 25) C. 5(3x + 2)(x - 5) D. 5(3x - 2)(x + 5)
Mathematics
Multiply, then simplify the product. Assume that all variables represent positive real numbers.(2 + 
)2
A. 11 + 2
B. 11 + 4
C. 4 + 4
D. 9 + 4
Mathematics