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1990AB5

1990AB5 - [990-— H65 5 Let f be the function deﬁned by...

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Unformatted text preview: [990-— H65 5. Let f be the function deﬁned by f(x) = sinzx * sin x for 0 S x s 37: 2 . (21) Find the x—intercepts of the graph 0? f. (b) Find the intervals on which f is increasing. (c) Find the absolute maximum value and the absolute minimum value of f. Justify your answer. M a.) £60: Mx(MX—D Osxﬁég 4:60:10 H; sinx=0 or' Sénx=l {100:0 E-F 1=O,1r,% x—in-I—ercep't‘s: O E'- 7r 7 b) 'F is increasing when 457x) >O_ \$100: QMXCosxweosx = cosxcqggﬂx -0 a) 55 +¢\€ dosed Ivrferval “test, '9 has M mbsotwt‘e max. 04 a. Md. am. absoluie twin. a“: _'#. Y 1990 ABS ...
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