1+4=52+3=1010+5=254+1?
2 answers:
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A quick way to do this is by recalling the fact that 
, so the largest value that 
alone (for any real value of 
) can take on is 1.
This means
, and so 
.
So the maximum value of this function is 7.
This means
So the maximum value of this function is 7.
Answer: Choice C
Vertex = (5, -2)
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Explanation:
Vertex form is where the vertex itself is located at (h,k)
As the name implies, we can very quickly pull out the coordinates of the vertex without doing much math at all.
In the case of choice C, we have which is the same as
and we can see that h = 5 and k = -2. Therefore, the vertex is located at (h,k) = (5, -2)