14. Find the average rate of change of \( f(x)=\sin x \ln x \) on the interval \( 1 \leq x \leq a \). \[ \ln a c=\frac{f(a)-f(1)}{a-1}=\frac{\sin a \ln a-0}{a-1} \quad \sin (1) \ln (1)=0 \]
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The function is \( f(x) = \sin x \ln x \). The interval is \( 1 \leq x \leq a \). Show more…
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