This is not a function. The input 7 in set A maps to outputs -1 and -3 at the same time in set B, which is why we don't have a function.
For a function to be possible, each input must map to exactly one output only.
The answer is 10 9/10 hope this helped
Answer:
no idea, but good luck :))
256.
The coefficient of just the y term would be 256 because the entire expanded equation looks like this:
y^4+16y^3+96y^2+256y+256
It's 2 !!!!!!!!!!!!!!!!!!!!!!!