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Mathematics 18 Online
OpenStudy (anonymous):

help picture added

OpenStudy (anonymous):

Directrix (directrix):

1/(6)^(-7) = 6^7 = 279 936

OpenStudy (anonymous):

none of these right ?

Directrix (directrix):

2.79936 * 10^5 -->#3

Directrix (directrix):

#3 is corrrect

OpenStudy (anonymous):

thanks

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