Answer:
$112.65
Step-by-step explanation:
7.25 x 8 = 58
58 + 54.65 = 112.65
Answer:
11
Step-by-step explanation:
To add fractions, find the LCD and then combine or Pemdas
527,381 + 364,098 = 891,479
Answer:
70 cents
Step-by-step explanation:
7% of a dollar is 70 cents
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>