// Numbas version: exam_results_page_options
{"name": "Q25", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"advice": "", "extensions": [], "preamble": {"js": "", "css": ""}, "variable_groups": [], "variables": {"Choice2": {"definition": "expression((y^2-1) + '+e^-x')", "name": "Choice2", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "choicemarks": {"definition": "//marks to award for each of the above choices\n    [1,0,0,0]", "name": "choicemarks", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "marks": {"definition": "//marks to award for each choice, then append the marks for \"none of the above\"\n    map(choicemarks[j],j,order)+noneofthesemarks", "name": "marks", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "y": {"definition": "random(2..9)", "name": "y", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "Choice1": {"definition": "expression('\\sqrt(' + (y^2-1) + '+x^2)')", "name": "Choice1", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "shuffledchoices": {"definition": "//the choice texts, in the shuffled order\n    map(choices[j],j,order)", "name": "shuffledchoices", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "choices": {"definition": "//choices, apart from \"none of the above\"\n    [correctAnswer,Choice1,Choice2,Choice3]", "name": "choices", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "Choice3": {"definition": "expression((y^2-1) + '+e^-x^2')", "name": "Choice3", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "correctAnswer": {"definition": "expression('\\sqrt(' + (y^2-1) + '+e^-x^2)')", "name": "correctAnswer", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "order": {"definition": "//the order in which to display the choices - pick a random permutation of [0,1,2,3,4]\n    deal(4)", "name": "order", "group": "Ungrouped variables", "templateType": "anything", "description": ""}, "noneofthesemarks": {"definition": "//marks to award for selecting \"none of these\"\n    0", "name": "noneofthesemarks", "group": "Ungrouped variables", "templateType": "anything", "description": ""}}, "statement": "<p>If the graph $y = f(x)$ contains the point $(0,\\var{y})$, $\\simplify{d*y/(d*x)} = \\simplify{-x/ye^x^2}$ and $f(x) &gt; 0$ for all $x$ values, then $f(x) = $</p>", "functions": {}, "tags": [], "metadata": {"description": "", "licence": "Creative Commons Attribution 4.0 International"}, "name": "Q25", "ungrouped_variables": ["y", "correctAnswer", "Choice1", "Choice2", "Choice3", "choices", "noneofthesemarks", "choicemarks", "marks", "shuffledchoices", "order"], "variablesTest": {"maxRuns": 100, "condition": ""}, "rulesets": {}, "parts": [{"type": "1_n_2", "matrix": "marks", "shuffleChoices": false, "maxMarks": 0, "variableReplacementStrategy": "originalfirst", "showFeedbackIcon": true, "displayColumns": 0, "showCorrectAnswer": true, "displayType": "radiogroup", "marks": 0, "choices": ["<p>$\\simplify[!constantsFirst]{{shuffledchoices[0]}}$</p>", "<p>$\\simplify[!constantsFirst]{{shuffledchoices[1]}}$</p>", "<p>$\\simplify[!constantsFirst]{{shuffledchoices[2]}}$</p>", "<p>$\\simplify[!constantsFirst]{{shuffledchoices[3]}}$</p>", "<p>None of these</p>"], "scripts": {}, "variableReplacements": [], "minMarks": 0}], "type": "question", "contributors": [{"name": "David Wishart", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1461/"}]}]}], "contributors": [{"name": "David Wishart", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1461/"}]}