Which inequality is represented by this graph? A number line going from negative 36 to negative 30. An open circle is at negative 34.5. Everything to the left of the circle is shaded. Negative 34.5 greater-than x Negative 34.5 less-than x Negative 35.5 greater-than x Negative 35.5 less-than x

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step-by-step explanation:

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

do your own work and don"t cheat.

step-by-step explanation: