Answer:
D
you want to use the quadratic formula so you send the 6 over with the x² so you substact 6 on both sides and and and invisible 0x having your equation x²+0x-6 and substitute that equation into the quadratic formula
f(x)=x-6 is your answer.
when x=0
f(0)=0-6=-6
similarly other too
n/a
Step-by-step explanation:
it just needs more work on the vertex.
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