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For f (x) = 2 x 2 , find f (x) when x = -3

 

thanks

 Nov 30, 2016
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I assume that we have   f(x)  = 2x^2     ..... if so....

 

f(-3)   = 2 (-3)^2   =  2 * 9   = 18

 

 

 

cool cool cool

 Nov 30, 2016

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