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      <title>ACW1 Maths 4 Calculus Images: Describe What You See! by </title>
      <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw</link>
      <description>Explore each image below and write your own description of the calculus concept or scenario represented. Share your thoughts in the comments!</description>
      <language>en-us</language>
      <pubDate>2025-09-18 02:48:37 UTC</pubDate>
      <lastBuildDate>2025-10-24 01:35:18 UTC</lastBuildDate>
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         <title>Image 1: Graph of a Function with a Tangent Line</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043282</link>
         <description><![CDATA[<p><strong>Vocabulary: function, derivative function, slope, tangent line</strong></p><p><br></p><p>Observe this graph closely. What does the tangent line tell you about the function at this point? Describe the connection with derivatives.</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
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         <title>Image 2: Area Under a Curve</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043289</link>
         <description><![CDATA[<p><strong>Vocabulary: function, graph, integral, area</strong></p><p><br></p><p>Look at the shaded region under the curve. What calculus idea does this image represent? Explain how you would find the area.</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
         <guid>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043289</guid>
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         <title>Image 3: Slope Field</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043290</link>
         <description><![CDATA[<p><strong>Vocabulary: differential equation, derivative function, critical points</strong></p><p><br></p><p>View the slope field shown. What does this pattern say about the possible solutions to the differential equation?</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
         <guid>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043290</guid>
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         <title>Image 4: Secant vs Tangent</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043291</link>
         <description><![CDATA[<p><strong>Vocabulary: secant line, tangent line, derivative, rate of change</strong></p><p><br></p><p>This image shows both a secant and a tangent to the same curve. Describe what each line represents in calculus terms.</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
         <guid>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043291</guid>
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         <title>Image 5: Limits Graphically</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043292</link>
         <description><![CDATA[<p><strong>Vocabulary: <em>limit, function, asymptote</em></strong></p><p><br></p><p>Notice the approaching value as x moves closer to a point on the function. Describe what a limit is in the context of this image.</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
         <guid>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043292</guid>
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         <title>Image 10: Optimisation Problem</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043293</link>
         <description><![CDATA[<p><strong>Vocabulary: <em>function, derivative, critical points, maximum, minimum</em></strong></p><p><br></p><p>This diagram sets out a typical optimisation scenario. What steps would you use to find the maximum or minimum value?</p>]]></description>
         <enclosure url="https://upload.wikimedia.org/wikipedia/commons/8/8a/Cylinder_Sphere_Optimization_Problem.svg" />
         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
         <guid>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043293</guid>
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         <title>Image 8: Volume of Revolution</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043294</link>
         <description><![CDATA[<p><strong>Vocabulary: <em>function, integral, volume, axis of rotation</em></strong></p><p><br></p><p>Visualise the shape formed by rotating a curve around an axis. How do you set up an integral to find its volume?</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
         <guid>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043294</guid>
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      <item>
         <title>Image 7: Second Derivative and Concavity</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043296</link>
         <description><![CDATA[<p><strong>Vocabulary: <em>second derivative, concavity, inflection point</em></strong></p><p><br></p><p>This graph shows a function and its points of inflection. How does the second derivative explain the shape of the graph?</p>]]></description>
         <enclosure url="https://upload.wikimedia.org/wikipedia/commons/a/ad/ICC_slope_ip.png" />
         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
         <guid>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043296</guid>
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      <item>
         <title>Image 6: Discontinuous Function</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043297</link>
         <description><![CDATA[<p><strong>Vocabulary: <em>function, discontinuity, domain, range</em></strong></p><p><br></p><p>Examine the jump in this function. What type of discontinuity is shown? How do you describe it using calculus vocabulary?</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
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      <item>
         <title>Image 9: Chain Rule in Action</title>
         <author>tldteam1</author>
         <link>https://padlet.com/aemgtld25/ly873co1aciy5vcw/wish/3591043298</link>
         <description><![CDATA[<p><strong>Vocabulary: <em>derivative, composite function, chain rule</em></strong></p><p><br></p><p>Follow how the chain rule is applied to differentiate a composite function. Can you describe what’s happening?</p>]]></description>
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         <pubDate>2025-09-18 02:48:37 UTC</pubDate>
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