What is the solution to the equation x/2- 4 = 6?

x = 1
x = 5
x = 10
x = 20

[ Answer ]

[ Explanation ]

--------------------------

- 4 = 6

- 4 + 4 = 6 + 4

= 10

= 10 · 2

X = 20

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