Answer:
The third and the forth
Step-by-step explanation:
Functions do not have repetition in the x column.
Since the other options have doubles of an x value
(or, to phrase it differently, two y values for one x value)
they are not functions.
The answer is c all the others are 1/3 fractions
If you can take a better picture of it I will be able to answer the questions for you
Answer:
Step-by-step explanation:
hello:
x²-4x=0 means : x(x-4)=0
x=0 or x-4=0
conclusion : x=0 and x= 4 ...answer : B