Answer:
Step-by-step explanation:
Domain ( x values ): { 2, 4, 6, 8 }
Range ( y values ): { -2, 2, -4 , 7, -8 }
The arrows show which number they go to.
So, 2 having two arrows means. There's a ( 2, -2 ) and a ( 2, 2 )
