Evaluate the piecewise-defined function at the indicated value.f(x) = {
; f(0)
A. 4
B. -2
C. 6
D. -4
Answer: D
Mathematics
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Solve the system using Gaussian elimination. -3x - 9y + 9z = 42 9x + 27y - 27z = -126-12x - 36y + 36z = 168
A. {(x, y, z) 
-3x - 9y + 9z = 42}
B. ?
C. {(x, y, z) 
-12x - 36y + 36z = 42}
D. {(-8, -9, -7)}
Mathematics
Provide an appropriate response.Simplify: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Decide whether the point 
is a feasible solution for the constraints.
?
?
Answer yes or no.
What will be an ideal response?
Mathematics
Tell whether the given rational expression is proper or improper.
A. improper B. proper
Mathematics