{
  "name": "Functions and Models",
  "order": 1,
  "challenges": [
    {
      "id": "59a5801209a6acac5983b563",
      "title": "Ways to represent a functions",
      "description": [
        ""
      ],
      "challengeSeed": [
        ""
      ],
      "tests": [
        ""
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    },
    {
      "id": "59a5801209a6acac5983a673",
      "title": "Essential functions",
      "description": [
        ""
      ],
      "challengeSeed": [
        ""
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      "tests": [
        ""
      ]
    },
    {
      "id": "59a5801209a6acac5983a674",
      "title": "New functions from old functions",
      "description": [
        ""
      ],
      "challengeSeed": [
        ""
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      "tests": [
        ""
      ]
    },
    {
      "id": "59a5801209a6acac5983a675",
      "title": "Exponential functions",
      "description": [
        ""
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      "challengeSeed": [
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      "tests": [
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    {
      "id": "59a5801209a6acac5983a676",
      "title": "Inverse functions and logarithms",
      "description": [
        ""
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      "challengeSeed": [
        ""
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      "tests": [
        ""
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  ]
}