Answer:
the one you've selected pink, (the one that looks like a U)
Step-by-step explanation:
if you can pass a vertical line through a supposed function and have it only cross once, it's a function.
Answer:
or 
Step-by-step explanation:
Using the zero product property, first step is to set the given equation,
, to zero. Then factorise the left side.
Thus,

Subtract 2 from both sides


Factorise the left side



Find the solution

Or

Or



The answer is:
or 
12.0 is the answer I think
I’m not sure but it’s either going to be b or c