Select all equations that represent a linear function.

A. y=√4x
B. 3x+9y=54
C. y=x(2x-3)
D. y=x/3
E. y=0.4x-2.2
F. 2/x-8=y

1 answer

B. 3x+9y=54
D. y=x/3
E. y=0.4x-2.2