{"product_id":"calculus-functions-demystified-book-1","title":"Functions Demystified (Book 1.0)","description":"\u003cp\u003eThe free first book in \u003cem\u003eThe Calculus Bridge\u003c\/em\u003e — the series that carries high schoolers from algebra to calculus without the usual wall.\u003c\/p\u003e\u003cp\u003eMost students who struggle in calculus never really lost the thread in calculus. They lost it in algebra, when \"function\" stopped meaning anything.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFunctions Demystified\u003c\/strong\u003e fixes that in three short chapters:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat a function actually is\u003c\/strong\u003e: a rule where every input gives exactly one output, with two quick tests to check any relationship.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow to read and use f(x)\u003c\/strong\u003e: notation explained like a recipe card, not a code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDomain and range\u003c\/strong\u003e: which inputs a function is allowed to take, and why.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInside: worked examples at three difficulty levels, a Light Bulb Corner connecting each idea to home or school, a \"where you'll get stuck\" guide, and a 10-problem practice set with full worked answers.\u003c\/p\u003e\u003cp\u003eWritten for high schoolers, and easy for parents to follow along.\u003c\/p\u003e","brand":"CalculusBridge","offers":[{"title":"PDF Download","offer_id":50500795334765,"sku":null,"price":9.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/3623\/2813\/files\/book_01_959c7df1-00f7-4e5a-842b-d3a264039072.png?v=1790302640","url":"https:\/\/calculusbridge.net\/products\/calculus-functions-demystified-book-1","provider":"CalculusBridge","version":"1.0","type":"link"}