The bar-tailed godwit is a bird that makes the longest known nonstop flight during migration. An article described the migration of a bar-tailed godwit from Alaska to New Zealand saying, “She had flown for eight days – nonstop – covering approximately 7,250 miles at an average speed of nearly 30 miles per hour.”

Is the information reported by the article accurate? Explain your answer.

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:

answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

step-by-step explanation: