SOLUTION: the cost of building x picnic tables is given by the formula, C(x)= x^2-12x+72. how many picnic tables should mr. denison build to have a minimum cost? what is that minimum cost?

Question 377617: the cost of building x picnic tables is given by the formula, C(x)= x^2-12x+72. how many picnic tables should mr. denison build to have a minimum cost? what is that minimum cost?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x(at minimum)=-b/2a
=12/2=6 the number of tables to build for a minimum cost.
.
x^2-12x+72
=6^2-12*6+72
=36-72+72
=36 minimum cost
.
Ed
.

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