SOLUTION: The given function is {{{f(x)=20000-15x}}}
Find {{{f^(-1)(50)}}}
Algebra.Com
Question 128590: The given function is
Find
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given function
To find , simply swap x and f(x) to get
Add 15f(x) to both sides
Subtract x from both sides
Divide both sides by 15 to isolate f(x)
So the inverse function is
Now plug in
Subtract
Divide
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