Give two rational numbers whose sum is rational , difference is rational , product is rational , division is rational

If you apply the changes below to the absolute value parent function, f(x)=\x\, which of these is the equation of the new function? shift 2 units to the left shift 3 units down a. g(x)=\x-3\-2 b. g(x)= \x-2\-3 c. g(x)= \x+3\-2 d. g(x)= \x+2\-3

(x-5)1/2+5=2 what is possible solution of this equation

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?