SOLUTION: If f(x) = 5x^7 - 3, then f^-1(x) =
a. [(x + 7)/5]^1/3
b. [(x + 3)/5]^1/7
c. [(x + 5)/7]^1/3
d. [(x + 7)/3]^1/5
e. [(x + 3)/7]^1/5
f. [(x + 5)/3]^1/7
g. none of
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Question 50824: If f(x) = 5x^7 - 3, then f^-1(x) =
a. [(x + 7)/5]^1/3
b. [(x + 3)/5]^1/7
c. [(x + 5)/7]^1/3
d. [(x + 7)/3]^1/5
e. [(x + 3)/7]^1/5
f. [(x + 5)/3]^1/7
g. none of these
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If f(x) = 5x^7 - 3, then f^-1(x) =?
-----------------
Rewrite as y=5x^7-3
Interchange x and y:
x=5y^7-3
x+3=5y^7
[(x+3)/5] = y^7
[(x+3)/5]^(1/7)=y
This is the inverse.
Cheers,
Stan H.
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