配套习题- 如何利用实际问题确定函数图像 -【青果学院】

挑战习题

1/5单选题

难度：

1.“龟兔赛跑”讲述了这样的故事：领先的兔子看着缓慢爬行的乌龟，骄傲起来，睡了一觉，当它醒来时，发现乌龟快到终点了，于是急忙追赶，但为时已晚，乌龟先到了终点。用S₁、S₂分别表示乌龟和兔子所行的路程，t为时间，则下列图像中与故事相吻合的是（）

A
B
C
D

提示1：: IOWboOS4uumihuWFiOeahOWFlOWtkOeci+edgOe8k+aFoueIrOihjOeahOS5jOm+n++8jOmqhOWCsui1t+adpe+8jOedoeS6huS4gOinie+8jOW9k+Wug+mGkuadpeaXtu+8jOWPkeeOsOS5jOm+n+W/q+WIsOe7iOeCueS6hu+8jOS6juaYr+aApeW/mei/vei1tu+8jOS9huS4uuaXtuW3suaZmu+8jOS5jOm+n+i/mOaYr+WFiOWIsOi+vue7iOeCue+8jOaJgOS7peWFlOWtkOeahOi3r+eoi+maj+aXtumXtOeahOWPmOWMluWIhuS4ujPkuKrpmLbmrrXvvIznlLHmraTljbPlj6/msYLlh7rnrZTmoYg=

正确答案：RA==

PGRpdj7op6PvvJrmoLnmja7popjmhI/vvJpzPHN1Yj4xPC9zdWI+5LiA55u05aKe5Yqg77ybczxzdWI+Mjwvc3ViPuacieS4ieS4qumYtuaute+8jDHjgIHlop7liqDvvJsy44CB552h5LqG5LiA6KeJ77yM5LiN5Y+Y77ybM+OAgeW9k+Wug+mGkuadpeaXtu+8jOWPkeeOsOS5jOm+n+W/q+WIsOe7iOeCueS6hu+8jOS6juaYr+aApeW/mei/vei1tu+8jOWinuWKoO+8m+S9huS5jOm+n+i/mOaYr+WFiOWIsOi+vue7iOeCue+8jOWNs3M8c3ViPjE8L3N1Yj7lnKhzPHN1Yj4yPC9zdWI+55qE5LiK5pa5LiA8L2Rpdj4=

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2/5单选题

难度：

2.李老师开车上班，最初以某一速度匀速行进，中途由于汽车发生故障，停下修车耽误时间，为了按时到校，李老师加快了速度，仍保持匀速行进，结果准时到校. 在课堂上，李老师请学生画出他行进的路程y（千米）与行进时间x（小时）的函数图象的示意图，同学们画出的图象如图所示，你认为正确的是（）

A
B
C
D

提示1：: IOacrOmimOWPr+eUqOaOkumZpOazlS4g5L6d6aKY5oSP77yM6Ieq6KGM6L2m5Lul5YyA6YCf5YmN6L+b5ZCO5Y+I5YGc6L2m5L+u6L2m77yM5pWF5Y+v5o6S6ZmkQemhuS4g54S25ZCO6Ieq6KGM6L2m5Y+I5Yqg5b+r6YCf5bqm5L+d5oyB5YyA6YCf5YmN6L+b77yM5pWF5Y+v5o6S6ZmkQu+8jEQu

正确答案：Qw==

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3/5单选题

难度：

3.一根蜡烛长20cm点燃后每小时燃烧5cm，燃烧时剩下的高度h(cm)与燃烧时间t(小时)的函数关系用图像表示为（）

A
B
C
D

提示1：: IOagueaNruWunumZheaDheWGteWNs+WPr+ino+etlCzonKHng5votornh4Png6flsLHotorlsJE=

正确答案：Qg==

PGRpdj7op6PvvJronKHng5vliankuIvnmoTplb/luqbpmo/ml7bpl7Tlop7plb/ogIznvKnnn63vvIzmoLnmja7lrp7pmYXmhI/kuYnkuI3lj6/og73mmK9E77yM5pu05LiN5Y+v6IO95pivQeOAgUMuIDwvZGl2Pg==

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4/5单选题

难度：

如图，已知：正方形ABCD边长为1，E、F、G、H分别为各边上的点，且AE=BF=CG=DH，设小正方形EFGH的面积为s，AE为x，则s关于x的函数图象大致是（　　）

A
B
C
D

提示1：: PHA+5qC55o2u5p2h5Lu25Y+v55+l4pazQUVI4omM4pazQkZF4omM4pazQ0dG4omM4pazREhH77yM6K6+QUXkuLp477yM5YiZQUg9MS1477yM5qC55o2u5Yu+6IKh5a6a55CGRUg8c3VwPjI8L3N1cD49QUU8c3VwPjI8L3N1cD4rQUg8c3VwPjI8L3N1cD49eDxzdXA+Mjwvc3VwPivvvIgxLXjvvIk8c3VwPjI8L3N1cD7vvIzov5vogIzlj6/msYLlh7rlh73mlbDop6PmnpDlvI/vvIzmsYLlh7rnrZTmoYguPC9wPg==

正确答案：Qg==

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5/5单选题

难度：

5.张大伯出去散步，从家走了20分钟，到一个离家900米的阅报亭，看了10分钟报纸后，用了15分钟返回到家，下面哪个图形表示张大伯离家时间与距离之间的关系（）

A
B
C
D

提示1：: IOeUseS6juW8oOWkp+S8r+WHuuWOu+aVo+atpe+8jOS7juWutui1sOS6hjIw5YiG6ZKf77yM5Yiw5LiA5Liq56a75a62OTAw57Gz55qE6ZiF5oql5Lqt77yM5bm25LiU55yL5oql57q4MTDliIbpkp/vvIzov5nmmK/ml7bpl7TlnKjliqDplb/vvIzogIznprvlrrbnmoTot53nprvkuI3lj5jvvIzlho3mjInljp/pgJ/ov5Tlm57nlKjml7YxNeWIhumSn++8jOemu+WutueahOi3neemu+i2iuadpei2iuefre+8jOeUseatpOWNs+WPr+ehruWumuihqOekuuW8oOWkp+S8r+emu+WutuaXtumXtOS4jui3neemu+S5i+mXtOeahOWFs+ezu+eahOWHveaVsOWbvuixoS4=

正确答案：RA==

PGRpdj7op6PvvJrkvp3popjmhI/vvIww772eMjBtaW7mlaPmraXvvIznprvlrrbot6/nqIvku44w5aKe5Yqg5YiwOTAwbe+8jDxicj4yMO+9njMwbWlu55yL5oql77yM56a75a626Lev56iL5LiN5Y+Y77yMPGJyPjMw772eNDVtaW7ov5Tlm57lrrbvvIznprvlrrbku445MDBt6Lev56iL5YeP5bCR5Li6MG0uIDwvZGl2Pg==

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