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Having a tough time solving this practice myself I need help

Having a tough time solving this practice myself I need help-example-1
User Saniul
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In general, the range of the sine function is


sin(y)\in\lbrack-1,1\rbrack

Therefore, in the case of f(x),


sin((7x)/(3)+(1)/(6))\in\lbrack-1,1\rbrack,x\in\Re

Thus, as for the minimum and maximum values of f(x),


\begin{gathered} \Rightarrow f(x)=-19*-1-3=19-3=16\rightarrow\text{ maximum} \\ and \\ f(x)=-19*1-3=-19-3=-22\rightarrow\text{ minimum} \end{gathered}

This, the answer is 'from a low temperature of -22°F to a high of 16°F'

User Mohammadreza
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