## Calculus 8th Edition

(a) $[0,1.6]$ (b) the years are warmer The graph does not reflect the volcanic eruptions in the mid-19th century.
(a) the range of the ring width function is between 0 to 1.6, $[0,1.6]$ (b) the ring width starting to grow in 1900 and it is still growing, meaning that the years are warmer. The graph does not reflect the volcanic eruptions in the mid-19th century.