There are three pieces of mail in Ms. Thomas's mailbox a bill from the phone company for $36.12, a bill from the
1 answer:
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Answer:
Option B:
Step-by-step explanation:
The parabola has its concavity downwards, so we need a function in the model:
With a negative value of 'a'
The vertex is (0,0), so we have that:
The x-coordinate of the vertex is given by the equation:
So we have a function in the model:
With a < 0
The only option with this format is B:
