If x is a number that is 7 more than y, how do you express x as a function of y?
A.
x = f(y) = 7 + x
B.
x = f(y) = 7 + y
C.
y = f(x) = 7x
D.
y = f(x) = y – 7
E.
y = f(x) = 7 + y