Add or subtract. Simplify radicals where necessary.
+ 
+ 
+ 
A. 
+ 
+ 7
B. 157
+ 7
C. 17
+ 7
D. 17
+ 
+ 
Answer: C
Mathematics
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Solve the equation.
= 4
A. ?
B. 
C. 
D. 
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Find the exact value of y, or state that y is undefined.y = csc-1(-1)
A. ?
B. - 
C. 
D. 2?
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Find all values of ? that satisfy the equation over the interval [0, 2?].
?
What will be an ideal response?
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Graph the sinusoidal function using key points.y = 2 + cos x
A. 
B. 
C. 
D. 
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