{"id":283,"date":"2025-02-13T22:46:01","date_gmt":"2025-02-13T22:46:01","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/precalculus\/chapter\/solutions-polynomial-and-rational-functions-practice-test-alt\/"},"modified":"2025-02-13T22:46:01","modified_gmt":"2025-02-13T22:46:01","slug":"solutions-polynomial-and-rational-functions-practice-test-alt","status":"publish","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/precalculus\/chapter\/solutions-polynomial-and-rational-functions-practice-test-alt\/","title":{"raw":"Solutions: Polynomial and Rational Functions Practice Test","rendered":"Solutions: Polynomial and Rational Functions Practice Test"},"content":{"raw":"\n1.&nbsp;Yes.\n\n3.&nbsp;Increasing\n\n5. <em>y&nbsp;<\/em>= \u20131.5<em>x<\/em>&nbsp;\u2013 6\n\n7.&nbsp;<em>y<\/em> =&nbsp;\u20132<em>x<\/em> \u2013&nbsp;1\n\n9. No.\n\n11.&nbsp;Perpendicular\n\n13. (\u20137, 0); (0,&nbsp;\u20132)\n\n15.&nbsp;<em>y<\/em> =&nbsp;\u20130.25<em>x<\/em> + 12\n\n17.\n<img src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images-archive-read-only\/wp-content\/uploads\/sites\/1227\/2015\/04\/03005201\/CNX_Precalc_Figure_02_04_221.jpg\" alt=\"\" data-media-type=\"image\/jpg\">\n\n19.&nbsp;150\n\n21.&nbsp;165,000\n\n23. <em>y&nbsp;<\/em>= 875<em>x&nbsp;<\/em>+ 10,675\n\n25.&nbsp;a) 375\nb) dropped an average of 46.875, or about 47 people per year\nc) <em>y<\/em> = \u201346.875<em>t<\/em> + 1250\n\n27.\n<img src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images-archive-read-only\/wp-content\/uploads\/sites\/1227\/2015\/04\/03005202\/CNX_Precalc_Figure_02_04_224.jpg\" alt=\"\" data-media-type=\"image\/jpg\">\n\n29. Early in 2018\n\n31. <em>y&nbsp;<\/em>= 0.00455<em>x&nbsp;<\/em>+ 1979.5\n\n33. <em>r&nbsp;<\/em>= 0.999\n","rendered":"<p>1.&nbsp;Yes.<\/p>\n<p>3.&nbsp;Increasing<\/p>\n<p>5. <em>y&nbsp;<\/em>= \u20131.5<em>x<\/em>&nbsp;\u2013 6<\/p>\n<p>7.&nbsp;<em>y<\/em> =&nbsp;\u20132<em>x<\/em> \u2013&nbsp;1<\/p>\n<p>9. No.<\/p>\n<p>11.&nbsp;Perpendicular<\/p>\n<p>13. (\u20137, 0); (0,&nbsp;\u20132)<\/p>\n<p>15.&nbsp;<em>y<\/em> =&nbsp;\u20130.25<em>x<\/em> + 12<\/p>\n<p>17.<br \/>\n<img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images-archive-read-only\/wp-content\/uploads\/sites\/1227\/2015\/04\/03005201\/CNX_Precalc_Figure_02_04_221.jpg\" alt=\"\" data-media-type=\"image\/jpg\" \/><\/p>\n<p>19.&nbsp;150<\/p>\n<p>21.&nbsp;165,000<\/p>\n<p>23. <em>y&nbsp;<\/em>= 875<em>x&nbsp;<\/em>+ 10,675<\/p>\n<p>25.&nbsp;a) 375<br \/>\nb) dropped an average of 46.875, or about 47 people per year<br \/>\nc) <em>y<\/em> = \u201346.875<em>t<\/em> + 1250<\/p>\n<p>27.<br \/>\n<img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images-archive-read-only\/wp-content\/uploads\/sites\/1227\/2015\/04\/03005202\/CNX_Precalc_Figure_02_04_224.jpg\" alt=\"\" data-media-type=\"image\/jpg\" \/><\/p>\n<p>29. Early in 2018<\/p>\n<p>31. <em>y&nbsp;<\/em>= 0.00455<em>x&nbsp;<\/em>+ 1979.5<\/p>\n<p>33. <em>r&nbsp;<\/em>= 0.999<\/p>\n","protected":false},"author":6,"menu_order":6,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Precalculus\",\"author\":\"Jay Abramson, et al.\",\"organization\":\"OpenStax\",\"url\":\"http:\/\/cnx.org\/contents\/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"Download For Free at : http:\/\/cnx.org\/contents\/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175.\"}]","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"part":276,"module-header":"","content_attributions":[{"type":"cc","description":"Precalculus","author":"Jay Abramson, et al.","organization":"OpenStax","url":"http:\/\/cnx.org\/contents\/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175","project":"","license":"cc-by","license_terms":"Download For Free at : http:\/\/cnx.org\/contents\/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175."}],"internal_book_links":[],"video_content":null,"cc_video_embed_content":{"cc_scripts":"","media_targets":[]},"try_it_collection":null,"_links":{"self":[{"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/pressbooks\/v2\/chapters\/283"}],"collection":[{"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/wp\/v2\/users\/6"}],"version-history":[{"count":0,"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/pressbooks\/v2\/chapters\/283\/revisions"}],"part":[{"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/pressbooks\/v2\/parts\/276"}],"metadata":[{"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/pressbooks\/v2\/chapters\/283\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/wp\/v2\/media?parent=283"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/pressbooks\/v2\/chapter-type?post=283"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/wp\/v2\/contributor?post=283"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/precalculus\/wp-json\/wp\/v2\/license?post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}