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.
3. Solve the inequality and give your answer in interval notation. Be sure to show all your work,
and write neatly so your work is easy to follow. (4 points)
2|3x+12 ≥ 18
-
2. In words, interpret the inequality |x8|> 7 the same way I did in the videos. Note: the words
"absolute value" should not appear in your answer! (2 points)
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