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please show work and answer 12,13,14,15
Question 12:11 point) **(*)-. And y) (3) () 30 0 120 c) 60 (420 72 Question 13:11 point Find the interval on which f(x)-1 s i
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12 fcol= ns, f (3) sin als { By using of N- NANT } sin san finl- s.una Yn 3 fin= 5.4.30² s chi= 5.4.3.2n fon1= SX4+3+2 Toscolput f(nl=0 ne) (3-2)=0 neo or 3-1=0 nao, n=3 The MONOTONe interval are (-2,0), (013), (3,0) check sign of fin) on eah interny given curve lan = The slope of 1 point (1112) Tangel livie is dr - (itni? at pond (1,1) put n=1 obtie - -/4 is given cune yThe Equation of Tangel line at (010) (Y ) = m(2-ho) ly-o) = 2n1 no) y=203 Put y = n²t1 n²+1=202 1=22 Therefore slope of Tange

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please show work and answer 12,13,14,15 Question 12:11 point) **(*)-. And y) (3) () 30 0...
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