Which polynomial function has a leading coefficient of 1, roots -3 and 7 with multiplicity 1, and root 4 with multiplicity 2? f(x)=(x+3)(x-7)(x-4)(x-4)
f(x)=2(x+3)(x+7)(x-4)
f(x)=(x-3)(x-7)(x+4)(x+4)
f(x)=2(x-3)(x-7)(x+4)

What is the area of the triangle 10 13 12

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