+0  
 
0
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1
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How many real numbers are not in the domain of the function

f(x) = 1/(x - 64) + 1/(x^2 - 64) + 1/(x^3 - 64) + 1/(x^4 - 64)

 Jan 23, 2022
 #1
avatar+36433 
+1

Six

 

x values that make ANY of the denominators = 0 are not in the domain of the function

 

x = 64    8 or -8   4     or   +- sqrt 8

 Jan 23, 2022

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