If a scale factor is less than 1, then what does my figure get? (geometry)

Which expression is equal to (f+g)(x)?

Shape a is congruent to shape , as shown by a reflection across the y-axis and then a translation down units. shape b is congruent to shape , as shown by a reflection across the y-axis and then a translation down units.

Hdtv screens usually have a width-to -height ratio of 16: 9. which screen dimensions are in the same proportion?