Decide whether the relation defines a function.y = x3
A. Function
B. Not a function
Answer: A
Mathematics
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Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z + w =7 3x - 2z + 5w=11-4x + 3y + w=4-x - y - z - w=6
A. {(
, 1, 
, -2)}
B. {(-11, 
, 
, -4)}
C. ?
D. {(
, - 
, 5, - 
)}
Mathematics
Solve the equation.(ex)x ? e54 = e15x
A. {-6, -9} B. {9} C. {6, 9} D. {6}
Mathematics
Evaluate the function as indicated.Find f(1) when f(x) = 
.
A. 
B. - 
C. - 
D. - 
Mathematics
Add.-21 + 6
A. 15 B. 27 C. -27 D. -15
Mathematics