1. Determine whether the given functions are convex, concave, strictly convex, or strictly concave on the specified intervals: (a) f(x) = ln x on I = (0, +∞). (b) f(x) = (c) f(x) = (d) f(x) = |x³| on I ex on I = (-∞, +∞0). |x| on I = [-1, 1]. = (-∞0, +∞0).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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1. Determine whether the given functions are convex, concave, strictly convex, or
strictly concave on the specified intervals:
(a) f(x) = ln x on I = (0, +∞).
(b) f(x) = ex on I
(c) f(x) = |x| on I
(d) f(x) = |x³| on I = (-∞, +∞).
:(-∞, +∞0).
[-1, 1].
-
=
Transcribed Image Text:1. Determine whether the given functions are convex, concave, strictly convex, or strictly concave on the specified intervals: (a) f(x) = ln x on I = (0, +∞). (b) f(x) = ex on I (c) f(x) = |x| on I (d) f(x) = |x³| on I = (-∞, +∞). :(-∞, +∞0). [-1, 1]. - =
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