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What is f(x + h) when f(x) = 3x^2 + 2x - 4 ?
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replace each "x" in the original statement by "x+h"
f(x+h)=3(x+h)^2+2(x+h)-4, expanded it out as wanted
i did and got f(x + h) = 3x^2 + 3h^2 + 6xh + 2x + 2h - 4
this is just to make sure i am correct
looks good to me
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