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October 1, 2014

October 1, 2014

Posted by **kawn** on Friday, November 11, 2011 at 1:36pm.

(a) f + g (b) f – g (c)f*g(d)f/g

Please show all of your work.

f(x) = 5x^2-5

g(x) = x – 7

- precalculus -
**Steve**, Friday, November 11, 2011 at 2:50pmWhat's teh problem? Just substitute for f and g:

(c) f*g = (5x^2-5)(x-7) = 5(x-1)^2(x-7) = x^3 - 9x^2 + 15x - 7

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