exam Maths Puzzle Numerical Ability

Solve the following system of linear inequalities by graphing.
3x + 4y < 12
x + 3y < 6
x > 0
y > 0

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exam Other Question

I need help with this homework question:
a)find the roots of the polynomial equation and state the multiplicity of each root: P(x)=-1/2(x+3)(x+4)^3(2x+1)
b)use the Rational Zero x^2-5x+2=0