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March 4, 2015

March 4, 2015

Posted by **Kim** on Thursday, February 19, 2009 at 10:58pm.

f(x)= 3x+4 over 5

- Math -
**drwls**, Thursday, February 19, 2009 at 11:09pmFor 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) = (5x-4)/3

- Math(Please help) -
**Dan**, Friday, February 20, 2009 at 1:12amUse the functions f(x)=1/8x-3 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 2:52amPlease post this separately.

Looks like you already did. It is answered eleswhere

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