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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Step-by-step explanation:
-6a - 4(a - 3) = -6a + 15
=> -6a - 4a + 12 + 6a - 15 = 0
=> -4a - 3 = 0
=> -4a = 3
=> a = -3/4
Any natural or whole number works I believe. 1,2,3,4,5,6,7,8,9,10,11etc. Hope this helps
112 men construct 600 meters long wall in 30 days.
What is Time and Work formula?
We can find the number of persons who can construct 600 meters wall as shown below:
Here,
We have to find
Putting in formula
Hence, 112 men can construct 600 meters wall in 30 days.
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Answer:
351.9
Step-by-step explanation:
15% of 414 = 62.1
414-62.1=351.9