If $r(x, y) = 0.7$ then what is the value of $r(x + 0.2, y + 0.2)$?
If u=x−Acxu = \frac{x - A}{c_x}u=cxx−A and v=y−Bcyv = \frac{y - B}{c_y}v=cyy−B, c_x > 0, c_y > 0 then which of the following statement is correct?