The average 12 ounce cola contains 14 mg of sodium. If Tanner plans to limit his sodium from soda to 100 mg each week, what is the largest number of ounces of soda he can drink? Round to the nearest tenth of an ounce.

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

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step-by-step explanation:

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