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Calcula l'àrea que tanca la funció <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»f«/mi»«mo»(«/mo»«mi»x«/mi»«mo»)«/mo»«mo»=«/mo»«mi»#f«/mi»«/math»</span> i l'eix de les abscisses entre <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»=«/mo»«mi»#a«/mi»«/math»</span> i <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»=«/mo»«mi»#b«/mi»«/math»</span>.<br /><br /><span style="text-decoration: underline;">NOTACIÓ DE LA RESPOSTA</span>: introdueix només el valor de l'àrea calculada. <br />
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Recorda que l'àrea demanada es calcula mitjançat la integral <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»A«/mi»«mo»=«/mo»«msubsup»«mo»§#8747;«/mo»«mi»#a«/mi»«mi»#b«/mi»«/msubsup»«mfenced close=¨|¨ open=¨|¨»«mrow»«mi»f«/mi»«mo»(«/mo»«mi»x«/mi»«mo»)«/mo»«/mrow»«/mfenced»«mi»dx«/mi»«/math»</span>
No, case is unimportant
Yes, case must match
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You must provide at least one possible answer. The first matching answer will be used to determine the score and feedback. Click the icon next to the answer field to edit the mathematical properties of the answer and the question.
Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Molt bé
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Atenció, l'àrea no pot ser negativa. Fixa't que si la funció és negativa en l'interval <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced close=¨]¨ open=¨[¨»«mrow»«mi»#a«/mi»«mo»,«/mo»«mi»#b«/mi»«/mrow»«/mfenced»«/math»</span> llavors <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»A«/mi»«mo»=«/mo»«msubsup»«mo»§#8747;«/mo»«mi»#a«/mi»«mi»#b«/mi»«/msubsup»«mfenced close=¨|¨ open=¨|¨»«mrow»«mi»f«/mi»«mo»(«/mo»«mi»x«/mi»«mo»)«/mo»«/mrow»«/mfenced»«mi»dx«/mi»«mo»=«/mo»«mo»-«/mo»«msubsup»«mo»§#8747;«/mo»«mi»#a«/mi»«mi»#b«/mi»«/msubsup»«mi»f«/mi»«mo»(«/mo»«mi»x«/mi»«mo»)«/mo»«mi»dx«/mi»«/math»</span>
Answer 3
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
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Hint 2
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Created / last saved
Created
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Wednesday, 12 June 2013, 1:05 PM
Last saved
by
Admin User
on
Wednesday, 12 June 2013, 1:05 PM
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