{"id":"act_practice_pdf:pt1:math:034","source_id":"act_practice_pdf","source_item_id":"pt1-math-034","external_id":null,"program":"ACT","section":"math","category_code":"IES","category":"Integrating Essential Skills","subcategory_code":null,"subcategory":null,"form_id":"act_practice_pdf:pt1","passage_id":null,"position":34,"scored":true,"layout_warning":null,"stem":"The first 4 terms of a sequence are shown in the table. The sequence is defined by a 1 = 2 and a n = a n − 1 + (n − 1) for n ≥ 2 . What is the sixth term, a 6 , of this sequence? a 1 a 2 a 3 a 4 2 3 7 16","stimulus":"","stimulus_html":"<figure><img src=\"/api/assets/6623583ed4cd3c49537d627060cd34d35d7306218659dcc0ee47bd2eae4b0825\" alt=\"Question 34 as printed in the Preparing for the ACT — Practice Test 1 booklet\"><figcaption>As printed in the official booklet.</figcaption></figure>","stem_html":"<p>The first 4 terms of a sequence are shown in the table. The sequence is defined by a 1 = 2 and a n = a n − 1 + (n − 1) for n ≥ 2 . What is the sixth term, a 6 , of this sequence? a 1 a 2 a 3 a 4 2 3 7 16</p>","rationale_html":null,"correct_answer":["G"],"equiv_key":"36e5e2b9d549f881f64a6331","has_media":true,"has_mathml":false,"has_table":false,"section_label":"Mathematics","options":[{"label":"F","content_html":"<p>68</p>","ord":0},{"label":"G","content_html":"<p>57</p>","ord":1},{"label":"H","content_html":"<p>41</p>","ord":2},{"label":"J","content_html":"<p>32</p>","ord":3}],"passage":null,"attribution":{"source_id":"act_practice_pdf","source_name":"Official ACT full-length practice tests (PDF)","rights_holder":"ACT Education Corp.","canonical_url":"https://www.act.org/content/act/en/products-and-services/the-act/test-preparation.html","retrieved_from":"https://www.act.org/content/act/en/products-and-services/the-act/test-preparation.html","attribution":"Full-length ACT practice tests © ACT Education Corp., published free at act.org. Questions are retired items from previous ACT administrations.","disclaimer":"Extracted from a print-layout PDF: equations, figures and charts do not survive as text. Use the original PDF for anything that renders poorly. ACT® is a registered trademark of ACT Education Corp., which is not affiliated with, does not sponsor, and does not endorse this project.","license":"ACT Education Corp. copyright. Published free for personal test preparation; not licensed for redistribution.","redistributable":false,"item_count":342},"equivalents":[]}