exam
Maths Puzzle
Numerical Ability
I need help solving the following equation:
x squared + 4x + 23 under the radical followed by +1=x
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exam Other Question
the graph of y=f(x). graph each of the following
y=absolutevalue(f(x))
y=-f(x)
y=f(-x)
y=f(x+1)+1
please help to solve
2x - y - z = -5
-2x + 2y - z = 5
x + 3y + z = 6