use quarto, not Pluto to render pages

CwJ/precalc/rational_functions.jmd

@@ -260,7 +260,7 @@ saying it follows the shape of the leading term of $q(x)$, at the
 expense of the work required to find $q(x)$.
 
 
-##### Examples
+### Examples
 
 
 Consider the rational expression
@@ -853,8 +853,8 @@ The rational expression $(x^3 - 2x + 3) / (x^2 - x + 1)$ would have
 choices = [L"A horizontal asymptote $y=0$",
 L"A horizontal asymptote $y=1$",
 L"A slant asymptote with slope $m=1$"]
-ans = 3
-radioq(choices, ans)
+answ = 3
+radioq(choices, answ)
 ```
 
 ###### Question
@@ -866,8 +866,8 @@ The rational expression $(x^2 - x + 1)/ (x^3 - 2x + 3)$ would have
 choices = [L"A horizontal asymptote $y=0$",
 L"A horizontal asymptote $y=1$",
 L"A slant asymptote with slope $m=1$"]
-ans = 1
-radioq(choices, ans)
+answ = 1
+radioq(choices, answ)
 ```
 
 
@@ -881,8 +881,8 @@ The rational expression $(x^2 - x + 1)/ (x^2 - 3x + 3)$ would have
 choices = [L"A horizontal asymptote $y=0$",
 L"A horizontal asymptote $y=1$",
 L"A slant asymptote with slope $m=1$"]
-ans = 2
-radioq(choices, ans)
+answ = 2
+radioq(choices, answ)
 ```
 
 
@@ -902,8 +902,8 @@ would have
 choices = [L"A horizontal asymptote $y=0$",
 L"A horizontal asymptote $y=1$",
 L"A slant asymptote with slope $m=1$"]
-ans = 2
-radioq(choices, ans)
+answ = 2
+radioq(choices, answ)
 ```
 
 
@@ -923,8 +923,8 @@ choices = [L"A vertical asymptote $x=1$",
 L"A slant asymptote with slope $m=1$",
 L"A vertical asymptote $x=5$"
 ]
-ans = 3
-radioq(choices, ans)
+answ = 3
+radioq(choices, answ)
 ```
 
 
@@ -946,8 +946,8 @@ choices = [
     "``y = (1/3)x``",
     "``y = (1/3)x - (1/3)``"
 ]
-ans = 3
-radioq(choices, ans)
+answ = 3
+radioq(choices, answ)
 ```
 
 
@@ -971,8 +971,8 @@ Is the following common conception true: "The graph of a function never crosses
 ```julia; hold=true; echo=false
 choices = ["No, the graph clearly crosses the drawn asymptote",
 "Yes, this is true"]
-ans = 1
-radioq(choices, ans)
+answ = 1
+radioq(choices, answ)
 ```
 
 (The wikipedia page indicates that the term "asymptote" was introduced
@@ -1002,8 +1002,8 @@ choices = ["The horizontal asymptote is not a straight line.",
 L"The $y$-axis scale shows that indeed the $y$ values are getting close to $0$.",
 L"The graph is always decreasing, hence it will eventually reach $-\infty$."
 ]
-ans = 2
-radioq(choices, ans)
+answ = 2
+radioq(choices, answ)
 ```
 
 
@@ -1040,8 +1040,8 @@ choices = ["between ``0`` and ``8`` hours",
            "between ``8`` and ``16`` hours",
            "between ``16`` and ``24`` hours",
            "after one day"]
-ans = 1
-radioq(choices, ans)
+answ = 1
+radioq(choices, answ)
 ```
 
 This graph has
@@ -1051,8 +1051,8 @@ choices = [L"a slant asymptote with slope $50$",
 L"a horizontal asymptote $y=20$",
 L"a horizontal asymptote $y=0$",
 L"a vertical asymptote with $x = 20^{1/3}$"]
-ans = 3
-radioq(choices, ans)
+answ = 3
+radioq(choices, answ)
 ```
 
 
@@ -1073,6 +1073,6 @@ L"The $\sin(x)$ oscillates, but the rational function eventually follows $7/60 \
 L"The $\sin(x)$ oscillates, but the rational function has a slant asymptote",
 L"The $\sin(x)$ oscillates, but the rational function has a non-zero horizontal asymptote",
 L"The $\sin(x)$ oscillates, but the rational function has a horizontal asymptote of $0$"]
-ans = 2
-radioq(choices, ans)
+answ = 2
+radioq(choices, answ)
 ```