Jack lett his house and drove to the store. He stopped and went inside. From there, he drove in the same direction until he got to the bank. He stopped and
went inside the bank. Then he drove home. The graph below shows the
number of blocks away from home Jack is a minutes after he left his house,
until he got back home,
1
Time Klapsed (Minutes)
How many blocks is it from Jack's house to the store?

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

step-by-step explanation:

; fx

the first option is the answer.