From 0f937e6684e88cf619a196a35f557f8a6e0160d8 Mon Sep 17 00:00:00 2001
From: Chrissy <tanaquil18@gmail.com>
Date: Thu, 10 Sep 2026 20:03:39 +0000
Subject: [PATCH] fix typos relating to Dolbear domain

---
 source/sec-changing-composite.xml        | 2 +-
 source/sec-changing-functions-models.xml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/sec-changing-composite.xml b/source/sec-changing-composite.xml
index 8268f987..b2a4e169 100755
--- a/source/sec-changing-composite.xml
+++ b/source/sec-changing-composite.xml
@@ -115,7 +115,7 @@
   <subsection xml:id="subsec-changing-composite-in-context">
   	<title>Composing functions in context</title>
 	<p>
-		Recall Dolbear's function, <m>T = D(N) = 40 + 0.25N</m>, that relates the number of chirps per minute from a snowy cricket to the Fahrenheit temperature, <m>T</m>.  We earlier established that <m>D</m> has a domain of <m>[40,160]</m> and a corresponding range of <m>[50,85]</m>.  In what follows, we replace <m>T</m> with <m>F</m> to emphasize that temperature is measured in Fahrenheit degrees.
+		Recall Dolbear's function, <m>T = D(N) = 40 + 0.25N</m>, that relates the number of chirps per minute from a snowy cricket to the Fahrenheit temperature, <m>T</m>.  We earlier established that <m>D</m> has a domain of <m>[40,180]</m> and a corresponding range of <m>[50,85]</m>.  In what follows, we replace <m>T</m> with <m>F</m> to emphasize that temperature is measured in Fahrenheit degrees.
 	</p>
 
 	<p>
diff --git a/source/sec-changing-functions-models.xml b/source/sec-changing-functions-models.xml
index 553d0725..057bdb64 100755
--- a/source/sec-changing-functions-models.xml
+++ b/source/sec-changing-functions-models.xml
@@ -160,7 +160,7 @@
 		</definition>
 
 		<p>
-			For the Dolbear function <m>D(N) = 40 + 0.25N</m> in the context of modeling temperature as a function of the number of cricket chirps per minute, the domain of the function is <m>A = [40,180]</m><fn>The notation <q><m>[40,180]</m></q> means <q>the collection of all real numbers <m>x</m> that satisfy <m>40 \le x \le 80</m></q> and is sometimes called <q>interval notation</q>.</fn> and the codomain is <q>all Fahrenheit temperatures</q>.  The codomain of a function is the collection of <em>possible</em> outputs, which we distinguish from the collection of <em>actual</em> ouputs.
+			For the Dolbear function <m>D(N) = 40 + 0.25N</m> in the context of modeling temperature as a function of the number of cricket chirps per minute, the domain of the function is <m>A = [40,180]</m><fn>The notation <q><m>[40,180]</m></q> means <q>the collection of all real numbers <m>x</m> that satisfy <m>40 \le x \le 180</m></q> and is sometimes called <q>interval notation</q>.</fn> and the codomain is <q>all Fahrenheit temperatures</q>.  The codomain of a function is the collection of <em>possible</em> outputs, which we distinguish from the collection of <em>actual</em> ouputs.
 		</p>
 
 		<definition xml:id="def-function-range">