You move down 2 units and up 7 units. you end at (-1,4). where did you start?

If you are going up and down, then you are referrig to the y-axis so you would focus on the 4. subtract 2 to get 2 then add 7 to get 9 and plug your answer back in to get (-1,9).

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

susie has 7 apples