Answer:
is sometimes positive and sometimes negative.
Step-by-step explanation:

Take 

Take 

Hence
for
and
for 
So
is sometimes positive and sometimes negative in the interval.
Answer:
The answer is D!
Step-by-step explanation:
hope this helps
Answer:
I don't need to prove it, I already believe you
Answer: 0,-3
Step-by-step explanation: hope this helps!!
Answer:
f(0)=2
Step-by-step explanation:
f(x)=-3x +2
f(0)=-3(0) +2
f(0)= 0 +2
f(0)=2