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January 30, 2015

January 30, 2015

Posted by **Yania** on Saturday, April 6, 2013 at 6:11pm.

- math -
**Leo**, Saturday, April 6, 2013 at 6:37pmAll you need to do is substitute -3 in place of the x.

- math -
**Ollie**, Saturday, April 6, 2013 at 6:39pmsubstitute -3 for every x in f(x) and simplify.

- math -
**Steve**, Sunday, April 7, 2013 at 6:21amby now you've probably done it, but watch the "-" signs carefully

f(-3) = -8 * (-3)^2 = -8(9) = -72

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