Question: In Exercises: a) Find the vertex. b) Determine whether there is a maximum or minimum value and find that value. c) Find the range. d)

In Exercises:
a) Find the vertex.
b) Determine whether there is a maximum or minimum value and find that value.
c) Find the range.
d) Find the intervals on which the function is increasing and the intervals on which the function is decreasing.
1. f (x) = x2 - 6x + 5
2. f (x) = x2 + 4x - 5

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