// Numbas version: finer_feedback_settings
{"name": "NC Math 3 Identifying parts of the Exponential Function", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "NC Math 3 Identifying parts of the Exponential Function", "ungrouped_variables": ["A", "r", "one", "operator", "sign", "rabs", "GorD", "gdChoice", "rPercent", "gdFactor"], "functions": {}, "preamble": {"js": "", "css": ""}, "variables": {"gdChoice": {"group": "Ungrouped variables", "name": "gdChoice", "description": "", "definition": "award(1,r<0)", "templateType": "anything"}, "sign": {"group": "Ungrouped variables", "name": "sign", "description": "", "definition": "award(1,r>0)", "templateType": "anything"}, "A": {"group": "Ungrouped variables", "name": "A", "description": "", "definition": "random(1..25#0.1)", "templateType": "anything"}, "rPercent": {"group": "Ungrouped variables", "name": "rPercent", "description": "", "definition": "abs(r)*100", "templateType": "anything"}, "one": {"group": "Ungrouped variables", "name": "one", "description": "", "definition": "1", "templateType": "anything"}, "rabs": {"group": "Ungrouped variables", "name": "rabs", "description": "", "definition": "abs(r)", "templateType": "anything"}, "operator": {"group": "Ungrouped variables", "name": "operator", "description": "", "definition": "[\"$-$\",\"$+$\"]", "templateType": "anything"}, "GorD": {"group": "Ungrouped variables", "name": "GorD", "description": "", "definition": "[\"Growth\",\"Decay\"]", "templateType": "anything"}, "r": {"group": "Ungrouped variables", "name": "r", "description": "", "definition": "random(-0.9..0.9#0.015 except 0)", "templateType": "anything"}, "gdFactor": {"group": "Ungrouped variables", "name": "gdFactor", "description": "", "definition": "1+r", "templateType": "anything"}}, "parts": [{"marks": 0, "showCorrectAnswer": true, "prompt": "<p>Growth or Decay? [[0]]</p>", "customMarkingAlgorithm": "", "variableReplacementStrategy": "originalfirst", "gaps": [{"marks": 1, "displayAnswer": "{GorD[{gdChoice}]}", "answer": "{GorD[{gdChoice}]}", "variableReplacementStrategy": "originalfirst", "useCustomName": false, "showFeedbackIcon": true, "unitTests": [], "showCorrectAnswer": true, "customName": "", "scripts": {}, "adaptiveMarkingPenalty": 0, "matchMode": "regex", "variableReplacements": [], "extendBaseMarkingAlgorithm": true, "type": "patternmatch", "customMarkingAlgorithm": ""}], "showFeedbackIcon": true, "unitTests": [], "customName": "", "scripts": {}, "sortAnswers": false, "adaptiveMarkingPenalty": 0, "useCustomName": false, "variableReplacements": [], "extendBaseMarkingAlgorithm": true, "type": "gapfill"}, {"showCorrectAnswer": true, "correctAnswerFraction": false, "showFractionHint": true, "unitTests": [], "minValue": "{A}", "customName": "", "correctAnswerStyle": "plain", "marks": 1, "adaptiveMarkingPenalty": 0, "useCustomName": false, "variableReplacements": [], "mustBeReducedPC": 0, "type": "numberentry", "allowFractions": false, "showFeedbackIcon": true, "prompt": "<p>Initial Value?</p>", "customMarkingAlgorithm": "", "variableReplacementStrategy": "originalfirst", "maxValue": "{A}", "scripts": {}, "extendBaseMarkingAlgorithm": true, "mustBeReduced": false, "notationStyles": ["plain", "en", "si-en"]}, {"marks": 1, "displayAnswer": "{rPercent}%", "prompt": "<p>Rate of Growth or Decay as a percent?</p>", "answer": "{rPercent}%", "variableReplacementStrategy": "originalfirst", "useCustomName": false, "showFeedbackIcon": true, "unitTests": [], "showCorrectAnswer": true, "customName": "", "scripts": {}, "adaptiveMarkingPenalty": 0, "matchMode": "exact", "variableReplacements": [], "extendBaseMarkingAlgorithm": true, "type": "patternmatch", "customMarkingAlgorithm": ""}, {"showCorrectAnswer": true, "correctAnswerFraction": false, "showFractionHint": true, "unitTests": [], "minValue": "gdFactor", "customName": "", "correctAnswerStyle": "plain", "marks": 1, "adaptiveMarkingPenalty": 0, "useCustomName": false, "variableReplacements": [], "mustBeReducedPC": 0, "type": "numberentry", "allowFractions": false, "showFeedbackIcon": true, "prompt": "<p>Growth or Decay factor?</p>", "customMarkingAlgorithm": "", "variableReplacementStrategy": "originalfirst", "maxValue": "gdFactor", "scripts": {}, "extendBaseMarkingAlgorithm": true, "mustBeReduced": false, "notationStyles": ["plain", "en", "si-en"]}], "variablesTest": {"condition": "", "maxRuns": 100}, "rulesets": {}, "extensions": [], "tags": [], "variable_groups": [], "advice": "", "metadata": {"licence": "All rights reserved", "description": ""}, "statement": "<p>Determine if each exponential function is growth/decay, state initial amount, growth or decay rate as a&nbsp;<em><strong>percent (%)</strong></em>, and the growth or decay factor.</p>\n<p>$f(t) = \\var{A}(1 \\var{operator[{sign}]} \\var{rabs})^t$</p>", "type": "question", "contributors": [{"name": "Terry Young", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3130/"}]}]}], "contributors": [{"name": "Terry Young", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3130/"}]}