Without graphing the function, determine its amplitude or period as requested.y = -2 cos 
xFind the period.
A. -2
B. 
C. 
D. 6?
Answer: D
Mathematics
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Find the indicated limit or state that it does not exist.
A. ? B. 0 C. 1 D. No limit
Mathematics
The null hypothesis, denoted by H0, is usually the hypothesis that sample observations result purely from chance.
Mathematics
Provide an appropriate response.Iff(x, y) = 
find fx(x, y)
What will be an ideal response?
Mathematics
Graph the quadratic function.
?
?
A. ?
B. ?
?
C. ?
D. ?
?
Mathematics