Respuesta :

For this case we have the following function:
 y = | x |
 Vertical expansions and compressions:
 To graph y = a * f (x)
 If 0 <a <1, the graph of y = f (x) is compressed vertically by a factor a. (Shrinks)
 We have then that applying the transformation results:
 y = 1/4 | x |
 Answer:
 
it is compressed vertically by a factor 1/4