F(x)=x^2+3; g(x)=x+4 find (fog)(-2)
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Length in units:
Use phytogoras theorem or measure it by a ruler if your using a graph paper
AB = 5.65 units
AC = 5.83 units
CB = 1.41 units
Perimeter =5.65 + 5.83 + 1.41 = 12.89 units
Area = 1/2 * 1.41 * 5.65 = 3.98units
Since the variance of a Poisson distribution with rate parameter 
is 
, we know that 
. So,
