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JayDSBest ResponseYou've already chosen the best response.0
f(x) = 4x 2 f(3) = 4(3) 2 = .................. see we have just simply substituted x=3 into the equation given?
 one year ago

JayDSBest ResponseYou've already chosen the best response.0
ok, now tell me what the answer is if you have figured it out?
 one year ago

sylinanBest ResponseYou've already chosen the best response.0
_228 okay thats wrong ):
 one year ago

JayDSBest ResponseYou've already chosen the best response.0
ok this is our equation f(x) = 4x 2 it's the same as saying y = 4x 2 and we want to substitute x=3 into the equation, so we simply replace the x in the above equation by 3 y=4(3) 2 y= ? (you can do this)
 one year ago

sylinanBest ResponseYou've already chosen the best response.0
i dont know what to do ):
 one year ago
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