This suggests that with higher values of x, we can get to a particular point where the Cost and Revenue are the same. To find this point, we set the equation: C(x)=R(x),
which gives us that particular x at which both </span>C(x) and R(x) give the same value.
Thus, we solve <span>16x+36,000=18x. Subtracting 16x from both sides 2x=36,000, then x = 36,000/2=18,000.
You have to use the Pythagorean theorem but there is a little twist here since a square has has equal sides. So: x^2+x^2=8 2x^2=8 2/2x^2=8/2 x^2=4 √x^2=√4 x=2 The side of the square is 2. So now the area of a square is: Side×Side 2×2=4 The area of the square is 4 centimetres