exam Maths Puzzle Numerical Ability

how to graph a function

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I would like to know how to solve this x+1/x-3>=1 Please help me with these two questions I dont understand and they are very confusing. PLEASE HELP ME!!!!

1) 1 + x+2
_ ___
x x

2) 4x-3 - 2x+8
___ ____
x-7 x-7