Is there more to the question
The function is
we use the vertex form of the quadratic equation
We have given a graph,
<h3>What is the vertex form of the quadratic equation?</h3>
y = a(x - h)^2 + k.
Therefore the vertex of the given graph is
See the vertex at (-2, 5)
Since the general way to write the vertex is (h, k), we compare (h, k) to (-2, 5).
Now we have given that (-4,1) use this value in the above equation so we get,
Using the value of an in equation (1) we get,
Therefore the function is
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Answer:
D is correct :)
Step-by-step explanation:
Answer:
Time of Day Adult Senior Adult% Senior%
Afternoon 12 48 20% 80%
Evening 45 15 75% 25%
Amelia predicts that when 400 tickets are sold on a Friday afternoon, it can be expected that 80 of the tickets sold will be adult tickets.
- Amelia is correct. If 400 tickets are sold in a Friday afternoon, you can expect 20% of them to be sold to adults = 400 tickets x 20% = 80 tickets sold to adults.
Stefan predicts that when 400 tickets are sold on a Friday evening, it can be expected that 100 of the tickets sold will be senior tickets.
- Stefan is correct. If 400 tickets are sold in a Friday evening, you can expect 25% of them to be sold to seniors = 400 tickets x 25% = 100 tickets sold to seniors.