MA110 Study Guide - Midterm Guide: Solution Set, Wilfrid Laurier University, Precalculus

159 views8 pages
15 Oct 2018
School
Department
Course
Professor

Document Summary

Math 110* introduction to di erential and integral. Precalculus test version 1 october 23rd, 2015. Section a 10:30 a. m. m. santoprete. Students may only use the approved calculator, casio fx-300ms plus. Check that your test paper has no missing, blank, or illegible pages. Please note that questions are printed on both sides of the page. Insu cient justi cation will result in a loss of marks. Solve the inequality 20 |2x + 5| 5 for x. Write your answer using interval notation and illustrate the solution set on the real number line. Circle the correct domain of f (x) : [ 1, 0, [ 1, 0, ( 1, 0, ( , 0, (0, ) You do not have to justify your answer. (cid:26) 2 x, x < 1 ex 2, x > 1. Find the function f g, where f (x) = x 1 and g(x) = What is the domain of f g? x + 2 x 1.