check the picture below.
a rectangle is a quadrilateral, so is a rhombus and a parallelogram as well, however, a rectangle has 4 right-angles, a rhombus or parallelogram do not have to have right-angles, but all sides may be congruent.
88.98 i did so much math to figure this out so im sorry i cant show my work
f(x) -4 shifts it down 4 units from f(x)
when we add or subtract from f(x) this causes a shift in the vertical direction.
when we add it shifts it up.
when we subtract is shifts it down
f(x) -4 shifts it down 4 units