A manager wants to gauge employee satisfaction at a company. She hands out a survey questionnaire to everyone in the human resources department who were hired in the past two years. The employees must respond to the questionnaire within five days. What type of bias are the survey results at risk for?

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the answer would be 150 books

step-by-step explanation:

if you divide 300 by 2 you will get 150

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: