Answer:
-1
Step-by-step explanation:
given f(x)=-4x+7 find f(2)
f(2) means question : if x=2, f(2)=?
f(2)= -4x2+7=-1
Answer
(9-j)-3
Step-by-step explanation:
Most real number arithmetic is pretty vacuous

That's about as good a way as possible to write this particular real number. But it's far from the only way.

so

Sometimes you can factor something out and you have a common radical:

But most of them are vacuous,

31-21=15
Answer: 15m
Answer check: 36+15=51✅
Answer:
I'm not sure but I think region 3