Answer:
o
Step-by-step explanation:
,,hggjj,........,.........
(jk)(x)= j (k(x)) = j(9-2x)
= -7(9-2x) = -63 + 14x
but i see there is no such option. may be second option is typo.
so you can select 2nd option
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617513.4668 is the answer