Posted by Kim on Thursday, February 19, 2009 at 10:58pm.
Determine whether the function is onetoone. If it is, find itd inverse.
f(x)= 3x+4 over 5

Math  drwls, Thursday, February 19, 2009 at 11:09pm
For every x there is an f(x).
For every f(x) (which I'll call y) ther is an x.
y = (3x +4)/5
5y = 3x + 4
x = (5y 4)/3
The inverse function is
f^(1)(x) = (5x4)/3

Math(Please help)  Dan, Friday, February 20, 2009 at 1:12am
Use the functions f(x)=1/8x3 and
g(x)=x^3 to find the indicated value or function.
(g^1 X f^1)(3)

Math (Dan)  drwls, Friday, February 20, 2009 at 2:52am
Please post this separately.
Looks like you already did. It is answered eleswhere
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