12. The data in the table below represents a linear relationship. y=-4.6x + 2 X у y=0.22x +21.28 -4 20.4. -3 15.8 O y=4.6x + 38.8 -7.2 2. 5 O y=-0.22x + 19.52 -21 CLEAR ALL Based on the table of values, which equation can be used to describe the relationship between x and y?​

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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

c

step-by-step explanation: