Ex 10 a] 8 si 27 in produs de 3 factori egali: b] 16 si 87 in produs de 4 factori egali. ex 11 detrmina ordinea efectuarii operatiilor apoi calculeaza. citeste exercitiile folosind terminologia matematica. [38-29]inp9 72inp8+41 3+8inm6 50-7inm1 92-[82-57] 100inp[50inp5

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: