Decide whether the equation is or is not an identity.sin (A + 2?) = sin A
A. Identity
B. Not an identity
Answer: A
Mathematics
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Answer the question.If p > 0 and q > 0, what can be said about the convergence of 
?
A. Always converges B. Always diverges C. May converge or diverge
Mathematics
Multiply.
A. 2,775 B. 2,755 C. 2,765 D. 2,865
Mathematics
Decide whether the relation is a function, and give the domain and range.
A. Function; domain: (-?, ?); range: [-3, ?) B. Not a function; domain: (-?, ?); range: [-3, ?) C. Not a function; domain: [-3, ?); range: (-?, ?) D. Function; domain: [-3, ?); range: (-?, ?)
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 7x - y + 9z = 70-5x - 2z = -30 6y + z = 23
A. (4, 5, 3) B. (-4, 3, 8) C. (4, 3, 5) D. No solution
Mathematics