{"id":"cb_question_bank:23f75900-dc08-4156-b21b-a505d2cca7f9","source_id":"cb_question_bank","source_item_id":"23f75900-dc08-4156-b21b-a505d2cca7f9","external_id":null,"ibn":"029595-DC","question_id":"9654add7","program":"SAT","module":"math","domain_code":"P","domain":"Advanced Math","skill_code":"P.C.","skill":"Nonlinear functions","difficulty":"H","score_band":6,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"f of x equals, negative 500, x squared, plus 25,000 x The revenue f of x , in dollars, that a company receives from sales of a product is given by the function f above, where x is the unit price, in dollars, of the product. The graph of y equals f of x in the xy -plane intersects the x -axis at 0 and a . What does a represent?","stimulus":"","stimulus_html":null,"stem_html":"<p>\n            <span class=\"math_expression \">\n              <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/a62ef6410f046c468ea197eee7779aa3e72d1d06e86f14614b37c4aea9d28db2\" alt=\"f of x equals, negative 500, x squared, plus 25,000 x \"></span></span>\n          </p><p class=\"stem_paragraph \">The revenue <span class=\"math_expression \"><span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/26d9f477bb154c8ef7637e64827776ac5831aa760a31d21a53157367bd210b16\" alt=\"f of x \"></span></span>, in dollars, that a company receives from sales of a product is given by the function <span class=\"italic\">f</span> above, where <span class=\"italic\">x</span> is the unit price, in dollars, of the product. The graph of <span class=\"math_expression \"><span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/1e01733cd755d260e76d5f12c4cac64337f711b1e9607c6bccfbf87900f24efe\" alt=\"y equals f of x \"></span></span> in the <span class=\"italic\">xy</span>-plane intersects the <span class=\"italic\">x</span>-axis at 0 and <span class=\"italic\">a</span>. What does <span class=\"italic\">a</span> represent?</p><p></p>\n","rationale_html":"<p>Choice C is correct. By definition, the <span class=\"italic\">y</span>-value when a function intersects the <span class=\"italic\">x</span>-axis is 0. It’s given that the graph of the function intersects the <span class=\"italic\">x</span>-axis at 0 and <span class=\"italic\">a</span>, that <span class=\"italic\">x</span> is the unit price, in dollars, of a product, and that <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/26d9f477bb154c8ef7637e64827776ac5831aa760a31d21a53157367bd210b16\" alt=\"f of x\"></span>, where <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/ff2211e29d87dc264b50005a18fc2444a78e14708a9844009b3ed81ade385a63\" alt=\"y equals f of x\"></span>, is the revenue, in dollars, that a company receives from the sales of the product. Since the value of <span class=\"italic\">a</span> occurs when <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/ce672c12451ce6d730167e9763ac3e67a5ed07d54cba747ed2f59adb20d5d205\" alt=\"y equals 0\"></span>, <span class=\"italic\">a</span> is the unit price, in dollars, of the product that will result in a revenue of $0.</p><p>Choice A is incorrect. The revenue, in dollars, when the unit price of the product is $0 is represented by <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/83e40a9d411886c8f1db15daf1bfe1768471306e4f8f1a8978edff12e6c8e9e5\" alt=\"f of x\"></span>, when <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/37b98ea685bc6992d8e8e7df92ac8c58c1621b437bc601cc6767a21168bc15e0\" alt=\"x equals 0\"></span>. Choice B is incorrect. The unit price, in dollars, of the product that will result in maximum revenue is represented by the <span class=\"italic\">x</span>-coordinate of the maximum of <span class=\"italic\">f</span>. Choice D is incorrect. The maximum revenue, in dollars, that the company can make is represented by the <span class=\"italic\">y</span>-coordinate of the maximum of <span class=\"italic\">f</span>.</p><p></p>\n","correct_answer":["C"],"has_media":true,"has_mathml":false,"has_table":false,"source_created_at":"2023-08-02T20:25:59.626000+00:00","source_updated_at":"2023-08-02T20:25:59.626000+00:00","options":[{"label":"A","content_html":"<p class=\"choice_paragraph \">The revenue, in dollars, when the unit price of the product is $0</p>\n","ord":0},{"label":"B","content_html":"<p class=\"choice_paragraph \">The unit price, in dollars, of the product that will result in maximum revenue</p>\n","ord":1},{"label":"C","content_html":"<p class=\"choice_paragraph \">The unit price, in dollars, of the product that will result in a revenue of $0</p>\n","ord":2},{"label":"D","content_html":"<p class=\"choice_paragraph \">The maximum revenue, in dollars, that the company can make</p>\n","ord":3}],"attribution":{"source_id":"cb_question_bank","source_name":"College Board digital SAT question bank (community dump)","rights_holder":"College Board","canonical_url":"https://satsuitequestionbank.collegeboard.org/","retrieved_from":"https://raw.githubusercontent.com/mdn522/sat-question-bank/main/data/cb-digital-questions.json","attribution":"SAT practice questions © College Board, from the official SAT Suite Question Bank. Retrieved via the community dump at github.com/mdn522/sat-question-bank.","disclaimer":"SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.","license":"College Board copyright; source repository carries no licence. Local use only.","redistributable":false,"item_count":2017}}