Perform the indicated multiplication.9(-9)
A. 81
B. -81
C. 90
D. -90
Answer: B
Mathematics
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Choose the equation that matches the graph.
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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Determine whether or not the graph is a graph of a function of x.
A. Function B. Not a function
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Perform the matrix operation.Let A = 
. Find 3A.
A. 
B. 
C. 
D. 
Mathematics
Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.sin x - sin x cosx = sin3 x
A. ?
B. 
C. 
D. 0
Mathematics