# Chapter 1 - Functions and Limits - 1.1 Four Ways to Represent a Function - 1.1 Exercises: 11

(a)$13.8$ (b) $\approx1990$ (c) $\approx1910$ , $\approx2010$ (d) $[13.5, 14.45]$

#### Work Step by Step

(a) The global average temperature in 1950 is $T(1950) = 13.8$ (b) The year when the average temperature was 14.2°C is $\approx1990$ (c) the smallest temperature was in $\approx1910$ the largest temperature was in $\approx2010$ (d) the range of T is $[13.5, 14.45]$

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