The answer is your equation does not pass though the point (1,8)
Answer:
no
Step-by-step explanation:
no input can have diffrent outputs if you change the input values then yes it is a function hope this helps god bless
Answer:
Answer is x= -4 and y= 3
Step-by-step explanation:

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{(1,3) (2,4) (3,5) (4,3)}
To simplest form of a fraction you find the lowest common factor, usually I use this trick: if both numbers are even I keep dividing by 2 to the numerator and denominator till I can't anymore
In this case:
6 divided by 2= 3
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8 divided by 2= 4
now I can't simplify an further because 3 isn't an even number, therefore its the simplest form
remember= my trick only works if both number are even, if not you'll have to find the lowest common factor and divide them by that