7. f(x) = 0.2 sin²x - cos 2x, 0≤x≤ T

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 65E
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Do question 17
amoa
15-18 Find the intervals on which f is concave upward or
concave downward, and find the inflection points of f.
066
15. f(x) = x³ - 3x² - 9x + 4
bns 0 = xn99wied
sigmsx3 992 ,noitsnslqxs
bns zoteluɔls) gni
luolst1sw9t2.www.
16. f(x) = 2x³ - 9x² + 12x - 3
16 219fuqmo
7. f(x) = sinx cos 2x, 0≤x≤ T
18. f(x)=x√√x - 4
ort
bns
Transcribed Image Text:amoa 15-18 Find the intervals on which f is concave upward or concave downward, and find the inflection points of f. 066 15. f(x) = x³ - 3x² - 9x + 4 bns 0 = xn99wied sigmsx3 992 ,noitsnslqxs bns zoteluɔls) gni luolst1sw9t2.www. 16. f(x) = 2x³ - 9x² + 12x - 3 16 219fuqmo 7. f(x) = sinx cos 2x, 0≤x≤ T 18. f(x)=x√√x - 4 ort bns
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