Hello,
y=2xe^x
y'=2(e^x+xe^x)=2(x+1)e^x
y''=2(e^x+(x+1)e^x)=2(x+2)e^x
x |-infinite -2 0 +infinite
e^x | ++++++++++++++++++
x+2 |------------0 +++++++++++
y'' | -----------0 +++++++++++
y''<0 if x<-2
<span>The interval on which the graph is concave down is (-infinite -2[</span>
Answer:
The letter "b" indicates it is effective against flammable liquid fires.
Step-by-step explanation:
The letters on fire extinguishers represents the class of fire for which they can be used.
The letter "b" here indicate the b-1 extinguisher is effective against flammable liquid fires. These can be fires where cooking liquid , oil , gasoline , kerosene or paint.
If you ever times a number by 0 then the answer will be 0 no matter what
Answer:
okay this question i dont know
1st - 2/3 =π√÷
and if tiu substrate that
the answer is 12358063
you can give me the brainliest if u want
final answer-
325
If you needed help you would need to show what we would put in the boxes with the arrows but because you didn’t show that we can’t answer and help you