Conjecture Consider the functions f ( x ) = x 2 and g ( x ) = x 3 . (a) Graph f and f' on the same set of axes. (b) Graph g and g' on the same set of axes. (c) Identify a pattern between f and g and their respective derivatives. Use the pattern to make a conjecture about h' ( x ) if h ( x ) = x n . where " is an integer and n ≥ 2 ? (d) Find f' ( x ) if f ( x ) = x 4 Compare the result will) the conjecture in part (c). Is this a proof of your conjecture? Explain.
Conjecture Consider the functions f ( x ) = x 2 and g ( x ) = x 3 . (a) Graph f and f' on the same set of axes. (b) Graph g and g' on the same set of axes. (c) Identify a pattern between f and g and their respective derivatives. Use the pattern to make a conjecture about h' ( x ) if h ( x ) = x n . where " is an integer and n ≥ 2 ? (d) Find f' ( x ) if f ( x ) = x 4 Compare the result will) the conjecture in part (c). Is this a proof of your conjecture? Explain.
Solution Summary: The author explains that the graph of the functions is differentiable for all values of x where n is not an integer.
Conjecture Consider the functions
f
(
x
)
=
x
2
and
g
(
x
)
=
x
3
.
(a) Graph f and f' on the same set of axes.
(b) Graph g and g' on the same set of axes.
(c) Identify a pattern between f and g and their respective derivatives. Use the pattern to make a conjecture about h' (x) if
h
(
x
)
=
x
n
. where " is an integer and
n
≥
2
?
(d) Find f'(x) if
f
(
x
)
=
x
4
Compare the result will) the conjecture in part (c). Is this a proof of your conjecture? Explain.
2. (5 points) Let f(x) =
=
-
-
- x² − 3x+7. Find the local minimum and maximum point(s)
of f(x), and write them in the form (a, b), specifying whether each point is a minimum
or maximum. Coordinates should be kept in fractions.
Additionally, provide in your answer if f(x) has an absolute minimum or maximum
over its entire domain with their corresponding values. Otherwise, state that there is no
absolute maximum or minimum. As a reminder, ∞ and -∞ are not considered absolute
maxima and minima respectively.
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