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MATH SOLVE
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For the function f(x)=(7-8x)^2 find f^-1. Determine whether f^-1 is a function.
4 months ago
Q:
For the function f(x)=(7-8x)^2 find f^-1. Determine whether f^-1 is a function.
Accepted Solution
A:
The inverse of
f(x) = (7-8x)^2
is ............. f-1(x) = 1/8 *(7 ±sqrt(x))
If we plot this graph We can easily see it is not a function
(Fails the vertical line test)