Merge pull request #1341 from Tanaquil18/patch-7

add alt text and long description

Author: gajennings

OpenProblemLibrary/LoyolaChicago/Precalc/Chap1Sec2/Q03.pg

@@ -41,7 +41,7 @@ TEXT(beginproblem());
 
 Context("Numeric");
 $showPartialCorrectAnswers = 1;
-$graph1 = image("Q03_fig.png", width => 360, height => 226, tex_size => 700);
+$graph1 = image("Q03_fig.png", width => 360, height => 226, tex_size => 700, alt=>"Graph of two functions and some points on the functions.", long_description=>"Function ${BM}f${EM} starts at the origin, goes up and back down to the x-axis and then up higher and then back down to the axis again, with the two peaks at ${BM}x=2.2${EM} and ${BM}x=6.1${EM}.  It hits the x-axis at ${BM}x=0${EM}, ${BM}x=4${EM}, and ${BM}x=8${EM}. Function ${BM}g${EM} is an increasing line going though the points occuring at the two peaks of ${BM}f${EM}, that is, ${BM}(2.2, f(2.2))${EM} and ${BM}(6.1,f(6.1))${EM}.");
 
 @x = (0, 2.2, 4, 5.2, 6.1, 6.9, 8);
 @f = (0, 2.9, 0, 2.9, 4.9, 2.9, 0);
@@ -71,10 +71,7 @@ END_TEXT
 ANS( Compute( $ans_a )->cmp() );
 ANS( Compute( $ans_b )->cmp() );
 
-SOLUTION(EV3(<<'END_SOLUTION'));
-$PAR
-$BBOLD SOLUTION $EBOLD
-$BR
+BEGIN_SOLUTION
 The average rate of change of a function \( f(x) \) over an interval \( a \leq x \leq b \) is computed using the following formula:
 \[ \mbox{Average Rate of Change of f(x) over } a \leq x \leq b = \frac{ \Delta f }{\Delta x} = \frac{ f(b) - f(a)}{b-a} \]
 $PAR