exam Maths Puzzle Numerical Ability

I have two problems i am unable to do can you help.
thanks
Problem 1 Graph the inequality.
y >=3x

Problem 2
Graph the inequality.
2x + 3y > 6

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exam Other Question
i have to find the coordinates of the vertex of y=3.5x^+2x-8 use common logarithms or natural logarithms and a calculator to evaluate to four decimal places:
log^16 57.2