The number of tourists (in thousands) visiting a certain beach can be approximated by the formula $f(t)=17+6 \sin (30 t)$, where $t$ is the number of months after January 2007 . Find the maximum and minimum number of tourists who visit this beach at one time.

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The Answer of The number of tourists (in thousands) visiting a certain beach can be approximated by the formula $f(t)=17+6 \sin (30 t)$, where $t$ is the number of months after January 2007 . Find the maximum and minimum number of tourists who visit this beach at one time.

The Number of Tourists (In Thousands) Visiting a Certain Beach f(t)=17+6sin⁡(30t)f(t)=17+6 \sin (30 t)f(t)=17+6sin(30t)

The Number of Tourists (In Thousands) Visiting a Certain Beach $f(t)=17+6 \sin (30 t)$