<div><br /></div> <div><span style="line-height: 21.600000381469727px; vertical-align: baseline">y = 61.158e</span><span style="line-height: 21.600000381469727px; vertical-align: super">-10.41x</span><span style="line-height: 21.600000381469727px"></span> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super">에서 y가 20일때 x값이 얼마인가요?</span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super">이거 로그로 풀어야되죠?</span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super">졸업한지 10년이 다되가서 어떻게 풀었는지 까먹었네요ㅜ</span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super">+++ 추가</span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"> <table border="0" cellpadding="0" cellspacing="0" width="154" style="border-collapse: collapse; width: 116pt"><colgroup><col width="81" style="width: 61pt" /><col width="73" style="width: 55pt" /></colgroup> <tbody> <tr height="24" style="height: 18pt"> <td height="24" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 18pt; width: 61pt">x</td> <td class="xl64" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-left-style: none; width: 55pt">y</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.00908</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">39.4</td></tr> <tr height="28" style="height: 21pt"> <td height="28" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 21pt; border-top-style: none; width: 61pt">0.01369</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">23.4</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.043216</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">46.5</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.013285</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">59.4</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.008127</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">79.8</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.007569</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">81.5</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.010155</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">38.4</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.008474</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">68.5</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.007869</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">62.8</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.014801</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">87.2</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.023001</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">48.2</td></tr> <tr height="28" style="height: 21pt"> <td height="28" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 21pt; border-top-style: none; width: 61pt">0.017664</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">23.6</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.016313</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">62</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.019961</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">45.9</td></tr> <tr height="23" style="height: 17.25pt"> <td height="23" class="xl63" dir="LTR" width="81" style="font-size: 9pt; line-height: 21.600000381469727px; height: 17.25pt; border-top-style: none; width: 61pt">0.01464</td> <td class="xl63" dir="LTR" width="73" style="font-size: 9pt; line-height: 21.600000381469727px; border-top-style: none; border-left-style: none; width: 55pt">75.6</td></tr></tbody></table> </span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super">위의 방정식은 이렇게 15개의 점을 찍고 엑셀에서 추세선으로 지수함수로 구한 방정식인데요</span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super">함수모양이 맨 아래와같이 곡선으로 나와야 하는데 엑셀에서 직선으로 나오더라구요..</span></div> <div style="line-height: 21.600000381469727px"><span style="vertical-align: super"><br /></span></div> <div style="line-height: 21.600000381469727px">그렇다는건 추세선+지수함수가 아니라는건데..</div> <div style="line-height: 21.600000381469727px">아래 곡선함수를 구하려면 어떻게 해야할까요?</div></div> <div><br /></div> <div> <div style="text-align: left"><img src="http://thimg.todayhumor.co.kr/upfile/201405/1400807789ApEUUkmmkYFn8eUJ9IdO.jpg" width="490" height="586" alt="함수.jpg" style="border: none" /></div><br /></div> <div><br /></div> <div><br /></div> <div>여기 게시판도 아니라면 댓글로 알려주세요</div> <div><br /></div> <div><br /></div>
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