exam Maths Puzzle Numerical Ability

what do these two problems look like graphed?

y=2|x|

y=-1/2|x|

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exam Other Question

Solve the system of inequalities by graphing:
x � 3y > -6
x + 2y > 4
x < 4 4√1/2 + 2√18 -6√2/9

Please step-by-step explain process.