I'm not sure what grid you're referring to, but in the factorized form this equation is 4(4x^2 + 12xy +9y).
Answer:
0.49
Step-by-step explanation:
for it to be rational there should not be no decimal nor pi .
Multiply 9 books by 55% by doing
9 x .55 = 4.95
We can't have 4.95 books, though so it rounds down to 4 because you can't just add another .05.
for an expression or relation to be a function, it must not have any x-coordinate values repeated, let's check this one

Answer:
46.9 for the first one
Step-by-step explanation:
So sorry if i'm wrong <3