Question 1168526
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(a)  correct.


(b)  correct


(c)  correct


(d)  correct


(e)  You are on the right track.

     Now substitute x= 10 into the formula and calculate.


     I am sure that you are able to do it on your own, without any help from outside.



     Why I am so sure ?  ---- Because EVERYBODY can do it.
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I am glad to see your progress.