Determine if the given ordered triple is a solution of the system.x + 2y + 4z = 12
17
1(2, 3, 1)
A. Yes
B. No
Answer: A
Mathematics
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Solve the problem.Find the unknown number given the following description:3 times a number added to 4 is no more than 7.
A. All numbers greater than or equal to 
B. All numbers less than or equal to 
C. All numbers less than or equal to 1
D. All numbers greater than or equal to 1
Mathematics
Subtract. 0 - 5
A. +5 B. 5 C. -(-5) D. -5
Mathematics
Simplify the exponential expression.x-4 ? x2
A. 
B. x2
C. 
D. x6
Mathematics
Solve the problem.Find the points where the graph of the function have horizontal tangent lines.f(x) = x3 - 21x
A. (-
, 14
), (
, -14
)
B. (-7, -196), (
, 196)
C. (
, -42
)
D. (-
, 42
), (0,0), (
, -42
)
Mathematics