Use the given graph of fover the interval (0, 7) to find the following.(a) The open intervals on which f is increasing. (Enter your answer using interval notation.)(0, 1)U (3, oo)(b) The open intervals on which f is decreasing. (Enter your answer using interval notation.)(1,3)(c) The open intervals on which f is concave upward. (Enter your answer using interval notation.)(d) The open intervals on which f is concave downward. (Enter your answer using interval notation.)(e) The coordinates of the points of inflection(х, у)(smallest x-value)(х, у) %3(х, у) %3(largest x-value)

Question
Asked Oct 26, 2019
Use the given graph of fover the interval (0, 7) to find the following.
(a) The open intervals on which f is increasing. (Enter your answer using interval notation.)
(0, 1)U (3, oo)
(b) The open intervals on which f is decreasing. (Enter your answer using interval notation.)
(1,3)
(c) The open intervals on which f is concave upward. (Enter your answer using interval notation.)
(d) The open intervals on which f is concave downward. (Enter your answer using interval notation.)
(e) The coordinates of the points of inflection
(х, у)
(smallest x-value)
(х, у) %3
(х, у) %3
(largest x-value)
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Use the given graph of fover the interval (0, 7) to find the following. (a) The open intervals on which f is increasing. (Enter your answer using interval notation.) (0, 1)U (3, oo) (b) The open intervals on which f is decreasing. (Enter your answer using interval notation.) (1,3) (c) The open intervals on which f is concave upward. (Enter your answer using interval notation.) (d) The open intervals on which f is concave downward. (Enter your answer using interval notation.) (e) The coordinates of the points of inflection (х, у) (smallest x-value) (х, у) %3 (х, у) %3 (largest x-value)

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Step 1

a) The first answer is wrong. Because the graph is in (0,7).

So it is increasing in (0,1)U(3,7)

1
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1

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Step 2

Answer of  (b) is correct. 

c) Concave upward means where it look like U. 

That is in (2,4) and (5,7) [blue marked]

Answer(c): (2,4)U(5,7)

у
1
0
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у 1 0

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Step 3

Concave downward means where it look like flipped U.

It occurs in (...

у
0
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у 0

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