Decide whether the expression is or is not an identity.csc2 
= 
A. Identity
B. Not an identity
Answer: A
Mathematics
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Use the elimination method to solve the system of linear equations.x + y = 2x - y = -6
A. (2, 5) B. (-2, 4) C. (-3, 5) D. No solution
Mathematics
Find the derivative.g(x) = 8x2e-x
A. 16xe-x(1 - x) B. 8xe-x(2 - x) C. 8xe-x(x + 2) D. 8xex(2 - x)
Mathematics
Place the correct inequality symbol, < or >, to compare each pair of numbers.32 
26
A. > B. <
Mathematics
Evaluate.- 
A. -220 B. 21 C. Not a real number D. -21
Mathematics