{"id":"act_practice_pdf:pt1:math:025","source_id":"act_practice_pdf","source_item_id":"pt1-math-025","external_id":null,"program":"ACT","section":"math","category_code":"PHM","category":"Preparing for Higher Math","subcategory_code":"F","subcategory":"Functions","form_id":"act_practice_pdf:pt1","passage_id":null,"position":25,"scored":true,"layout_warning":null,"stem":"Let the function f be defined as f (x) = −9 x . In the standard (x,y) coordinate plane, the graph of y = f (x) undergoes a transformation such that the result is the graph of y = f (x) − 4 . Under this transformation the graph of y = f (x) is:","stimulus":"","stimulus_html":"<figure><img src=\"/api/assets/c93398a263ca1eba9e3b632709c10b858c2a2b52ed0d83fefa14acda8a1ca743\" alt=\"Question 25 as printed in the Preparing for the ACT — Practice Test 1 booklet\"><figcaption>As printed in the official booklet.</figcaption></figure>","stem_html":"<p>Let the function f be defined as f (x) = −9 x . In the standard (x,y) coordinate plane, the graph of y = f (x) undergoes a transformation such that the result is the graph of y = f (x) − 4 . Under this transformation the graph of y = f (x) is:</p>","rationale_html":null,"correct_answer":["A"],"equiv_key":"71e25f0771d36f15238e63fa","has_media":true,"has_mathml":false,"has_table":false,"section_label":"Mathematics","options":[{"label":"A","content_html":"<p>shifted downward 4 coordinate units.</p>","ord":0},{"label":"B","content_html":"<p>shifted left 4 coordinate units.</p>","ord":1},{"label":"C","content_html":"<p>stretched horizontally by a factor of 4 .</p>","ord":2},{"label":"D","content_html":"<p>stretched vertically by a factor of 4 .</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":[]}