Muralists will often make a scale drawing of an art piece before creating the large finished version. A muralist has sketched an art piece on a sheet of drawing paper that is 3 feet by 4 feet. If the final mural will be 42 feet by 56 feet, what is the scale factor for this dilation.

The scale factor is
.

The owner of the wall has decided to only give permission to paint on the lower half of the wall. Can the muralist simply use the transformation (x, y) arrowright parenleftx ,
1
2
yparenright in addition to the scale factor to alter the sketch for use in the allowed space? Select the correct explanation.

A The mural will be distorted. This mapping will shrink the height of the mural in half, but by keeping the original width, the shapes will change.
B The mural will not be distorted, both sides will be changed evenly.
C The mural will be distorted. This mapping will shrink the width of the mural in half, but by keeping the original height, the shapes will change.
D The mural will be distorted. This mapping will shrink the height and width of the mural in half, but by changing the original width, the shapes will change.