Solve the system.
A. (0, 0, -4)
B. (0, -4, 0)
C. (5, -4, 0)
D. ?
Answer: D
Mathematics
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Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics
Use the graph to determine the domain and range of the function.
A. domain: {x|x ? 0} range: {y|y ? -6 or y ? 6} B. domain: {x|x ? 0} range: all real numbers C. domain: {x|x ? -6 or x ? 6} range: {y|y ? 0} D. domain: all real numbers range: {y|y ? -6 or y ? 6}
Mathematics
Multiply.(-9.977)(1000)
A. 0.009977 B. -99,770 C. -9977 D. 9977
Mathematics
Use a graphing calculator to make a conjecture as to whether each equation is an identity.cos 2x = sin 2x tan x
A. Identity B. Not an identity
Mathematics