Answer:
1) A, C, and D all represent linear equations.
2) A, C, and D are functions; none of them have repeating x values.
3) D
D hopefully this have helped you !
Let the equation be 1/2x=48-10
where x is the dad's weight
1/2x=48-10
1/2x=38
x=76 ( i divided both sides by 1/2)
