book
Maths Puzzle
Numerical Ability
#1
Graph and solve the system
y<-x2+4 (2 is x cubed,< is less than or equal to)
y>x-2 (> is greater than or equal to)
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book Other Question
x-4y+3z=-27
2x+2y-3z=22
4z=-16
Divide
x^4 + 2x^2 - 2
divided by
x^2 + 3