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What is the range of the function f(x) = 1/x^3?

 Jul 19, 2022
 #1
avatar+37 
0

All real numbers.

 Jul 19, 2022
 #2
avatar+284 
-1

y = 1/x^3

 

yx^3 = 1

x^3 = 1/y

 

x = cube root of (1/y)

 

But y cannot be 0, so it's all real numbers except for 0. 

 Jul 19, 2022

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