Let f(x) represent a function. f(x)-4
a. f(x) is translated 4 units down.​
b. f(x) is translated 4 units left.
c. f(x) is vertically compressed by a factor of 4.
d. f(x) is translated 4 units up.​
e. f(x) is vertically stretched by a factor of 4.
f. f(x) is translated 4 units right.