exam Maths Puzzle Numerical Ability

graph f(x)=xsquared-1

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exam Other Question

Graph each of the following inequalities.

4x + y _> 4

x
GRAPH
y

I do not understand this graph stuff there is a graph on the page inbetween the X AND Y where it says GRA write the equasion of the line which passes through point (2,1) and is parallel to the line with equasion y=5/2x+6