Decide whether the equation is or is not an identity.tan (? + 2?) = -tan ?
A. Identity
B. Not an identity
Answer: B
Mathematics
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Subtract.-1 - (-1)
A. -2 B. -1 C. 2 D. 0
Mathematics
Provide an appropriate response.Solve the system of equations using the addition method: -3x + y = 5 6x - 2y = -10
A. x = 0, y = 5
B. dependent; many solutions
C. inconsistent; no solution
D. x = -
, y = 0
Mathematics
Graph the exponential function.y = 4-x 
A. 
B. 
C. 
D. 
Mathematics
Decide whether the relation defines a function.y = x6
A. Function B. Not a function
Mathematics