<m:omathpara><m:omath><m:r></m:r></m:omath></m:omathpara><img align="middle" alt="undefined" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»y«/mi»«mo»=«/mo»«mn»2«/mn»«msup»«mi»x«/mi»«mn»3«/mn»«/msup»«mo»-«/mo»«mn»3«/mn»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»12«/mn»«mi»x«/mi»«mo»+«/mo»«mn»7«/mn»«/math»" height="19" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="176" /> 

<m:omathpara><m:omath><m:ssup><m:ssuppr><m:ctrlpr></m:ctrlpr></m:ssuppr><m:e><m:r></m:r></m:e></m:ssup></m:omath></m:omathpara><img align="middle" alt="y apostrophe equals 6 x squared minus 6 x minus 12" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»y«/mi»«mo»`«/mo»«mo»=«/mo»«mn»6«/mn»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»6«/mn»«mi»x«/mi»«mo»-«/mo»«mn»12«/mn»«/math»" height="19" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="134" /> 

Fungsi turun diperoleh saat <m:omath><m:ssup><m:ssuppr><m:ctrlpr></m:ctrlpr></m:ssuppr><m:e><m:r></m:r></m:e></m:ssup></m:omath><img align="middle" alt="space f apostrophe left parenthesis x right parenthesis equals y apostrophe less than 0" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»§#160;«/mo»«mi»f«/mi»«mo»`«/mo»«mo»(«/mo»«mi»x«/mi»«mo»)«/mo»«mo»=«/mo»«mi»y«/mi»«mo»`«/mo»«mo»§#60;«/mo»«mn»0«/mn»«/math»" height="17" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="92" /> &nbsp;maka :

<m:omathpara><m:omath><m:r></m:r></m:omath></m:omathpara><img align="middle" alt="6 x squared minus 6 x minus 12 less or equal than 0" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn»6«/mn»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»6«/mn»«mi»x«/mi»«mo»-«/mo»«mn»12«/mn»«mo»§#8804;«/mo»«mn»0«/mn»«/math»" height="17" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="130" /> 

<m:omathpara><m:omath><m:r></m:r></m:omath></m:omathpara><img align="middle" alt="6 left parenthesis x minus 2 right parenthesis left parenthesis x plus 1 right parenthesis less or equal than 0" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn»6«/mn»«mo»(«/mo»«mi»x«/mi»«mo»-«/mo»«mn»2«/mn»«mo»)«/mo»«mo»(«/mo»«mi»x«/mi»«mo»+«/mo»«mn»1«/mn»«mo»)«/mo»«mo»§#8804;«/mo»«mn»0«/mn»«/math»" height="16" role="math" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIQAAAAQCAYAAADXs9fyAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAOJ5y/mQAAAtVJREFUeNrtWUFkHFEYHrVWRJSIiOqhREXlUEtFrKgqEVXVQ6mKnCpEVUTlWj31Ej1EVZWoyiGHUlFVVSXWiogIK6qn6j2HXHKoilhL+j++remf98/8M7PvzXT142PnvTcz33vzv///379BkA4PiUtBcbEEjd2qv1C4TNz5B3RuQ2u36feKMeI74k/iMfEj8ZpFaCVHjRPEdWhsEr8SZyzjrhC3hIWuFOCDjxCfQH+QQH9WnCW+Iu6CK2g7hTkYwEjoxhkmqoIFzRObxGliH65HoWnaMnYLC1sk/W2sYc1PIsZw/Z1AjXg7dH0LbX/BLGpD8bBnxPkCutcLxG+W9gWWK7jUf+LgvoUUuU6VWBf67hJfWNqf8w21Iuwwji/Eq5b2WUH4U/T5wLGwODVP+l0YRNW2e2MMoYbfNphQO2Vpv46+P/hOPKd4qYnbZaFvjzgUur5PfOnJGKpCKChDsw/9LgyC609rCG0cCvM3bQd8d5nc4T3xCMlaw5KstSJedoO4jN+TCSw7K3qQHE0I/U1P+l0YBNdvM4S6whA0829yUWaH3CSWiGewwD/YebgV88INnEpM5jygWIg4xqGf+EFwg0kNIg/9WQzC3LeY0Pha2pBr3NJ5yyCTle8rXa7BI0zAx/l5GMZwMYHLdanfd8hI4yEOhPn38JDxGV4hzkI3Ilxzuz6wrExQs+AS8TWxVxFfa57055VUJjGMdYRGjimeVJqwcE9Y+F3FsW0YNYxe1AcaCpebFkMonpUUY+eh2Yd+FwbB9WuTy3FhzB1sJI5VvgnKKPjMhhZ6HGf7yZjCziA8zAArdqw5MohPMFQNNIWpTul3YRBpClNVeEIJdYTGEr77Y3z7UxiE9fxC8rEpnNl3QjG2jJOJLf94K7inThSANEmcVPrNW3/UPDT6s8Ik4m+QRB6hBtWX5YH//9zKV3/4VBBFr3gQFPvvYxN357pYvzP8Bn5a7F3G/rxCAAAAyHRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtbj42PC9tbj48bW8+KDwvbW8+PG1pPng8L21pPjxtbz4tPC9tbz48bW4+MjwvbW4+PG1vPik8L21vPjxtbz4oPC9tbz48bWk+eDwvbWk+PG1vPis8L21vPjxtbj4xPC9tbj48bW8+KTwvbW8+PG1vPiYjeDIyNjQ7PC9tbz48bW4+MDwvbW4+PC9tYXRoPpG1iS4AAAAASUVORK5CYII=" style="max-width: none; vertical-align: -2px;" width="132" />

&nbsp;

<img id="Picture_x0020_5" src="data:image/png;base64,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" style="width:212.25pt; height:67.5pt" /> 

Jadi fungsi tersebut akan turun pada interval <img align="middle" alt="left curly bracket negative 1 less than x less than 2 right curly bracket" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»{«/mo»«mo»-«/mo»«mn»1«/mn»«mo»§#60;«/mo»«mi»x«/mi»«mo»§#60;«/mo»«mn»2«/mn»«mo»}«/mo»«/math»" height="14" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -2px;" width="90" /> 

Jawaban B

grafik <img align="middle" alt="y equals 2 x cubed minus 3 x squared minus 12 x plus 7" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»y«/mi»«mo»=«/mo»«mn»2«/mn»«msup»«mi»x«/mi»«mn»3«/mn»«/msup»«mo»-«/mo»«mn»3«/mn»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»12«/mn»«mi»x«/mi»«mo»+«/mo»«mn»7«/mn»«/math»" height="19" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="176" /> turun untuk x yang memenuhi....

matematika

bahasa indonesia

ipa terpadu

fisika

biologi

bahasa inggris

geografi

sosiologi

sejarah

kimia

ekonomi

grafik turun untuk x yang memenuhi....

Jawaban: