Answer:
The answer is...12.
Step-by-step explanation:
Answer:
d.5/6
Step-by-step explanation:
2/3÷4/5
2/3×5/4
5/6
8.49 x 10⁻⁷ = 0.000000849
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>