{"id":2456,"date":"2026-05-18T20:26:08","date_gmt":"2026-05-18T20:26:08","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/function-composition-or-inverse-4\/"},"modified":"2026-05-18T20:26:08","modified_gmt":"2026-05-18T20:26:08","slug":"function-composition-or-inverse-4","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/function-composition-or-inverse-4\/","title":{"rendered":"\u51fd\u6570\u590d\u5408\u6216\u53cd\u51fd\u6570 4"},"content":{"rendered":"<p>\u8bbe f(x)=2x+0\u3002\u4e0b\u5217\u54ea\u4e2a\u8868\u8fbe\u5f0f\u8868\u793a f^(-1)(x)\uff1f<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>(x &#8211; (0))\/2<\/li>\n<li>(x + (0))\/2<\/li>\n<li>2\/(x &#8211; (0))<\/li>\n<li>(2x) &#8211; (0)<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1079,1116,1117],"subject":[1080],"education_level":[5],"class_list":["post-2456","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-functions","topic-inverse-functions","subject-algebra","education_level-hsc"],"mcq_note":"\u6c42\u53cd\u51fd\u6570\u65f6\uff0c\u5148\u628a\u51fd\u6570\u5199\u6210 y=f(x)\uff0c\u7136\u540e\u89e3\u51fa x\uff0c\u56e0\u4e3a\u53cd\u51fd\u6570\u4f1a\u628a\u539f\u51fd\u6570\u7684\u8f93\u5165\u548c\u8f93\u51fa\u5173\u7cfb\u53cd\u8fc7\u6765\u3002\u672c\u9898\u4e2d\uff0c\u4ee4 y=2x+0 and solve for x: x=(y-(0))\/2\u3002\u518d\u628a y \u6362\u6210 x\uff0c\u5f97\u5230 f^(-1)(x)=(x - (0))\/2\u3002\u6240\u4ee5\uff0c\u6b63\u786e\u7684\u53cd\u51fd\u6570\u8868\u8fbe\u5f0f\u5e94\u5f53\u80fd\u51c6\u786e\u53cd\u6620\u539f\u51fd\u6570\u7684\u53cd\u5411\u5bf9\u5e94\u5173\u7cfb\u3002","mcq_options":[{"right":"yes","answer":"(x - (0))\/2"},{"right":"no","answer":"(x + (0))\/2"},{"right":"no","answer":"2\/(x - (0))"},{"right":"no","answer":"(2x) - (0)"}],"multi_answers":"no","subject_terms":[{"id":1080,"title":"Algebra","slug":"algebra"}],"topic_terms":[{"id":1079,"title":"Algebra","slug":"algebra"},{"id":1116,"title":"Function Composition","slug":"functions"},{"id":1117,"title":"Inverse Functions","slug":"inverse-functions"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/2456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/comments?post=2456"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=2456"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=2456"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=2456"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=2456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}