Answers for first semester examination, Exams of Mathematics

Download Answers for first semester examination and more Exams Mathematics in PDF only on Docsity! 11/14/22, 9:53 PM Home / My courses / BAED-GMAT2111-2212S / FIRST QUARTER EXAMINATION / FIRST QUARTER EXAM Started on State Completed on Time taken Marks Grade Question 1 Correct Mark 1.00 out of 1.00 Monday, 14 November 2022, 9:57 AM Finished Monday, 14 November 2022, 10:19 AM 22 mins 19 secs 46.00/50.00 92.00 out of 100.00 Which of the following represents a function? y = 2x+1 b. y = x2-2x+2 © ya(x+1)/(x-1) All of the above” Your answer is correct. FIRST QUARTER EXAM: Attempt review shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 1/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 2 Correct Mark 1.00 out of 1.00 Given f(x) = x + 2 and g(x) = x42- 4, determine (f-g)(x). AYA $2 Be nba 2xA2- Axe 8 Vv © [xd 42 +x 46 d. (1) -2) Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 2/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 5 Correct Mark 1.00 out of 1.00 30. The domain of a rational function consists of all real number except for those values which would make the denominator zero. 3 all of the choices b false © cannot be determined d. true Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 5/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 6 Correct Mark 1.00 out of 1.00 Given f(x) = x + 3 and p(x)=2x -7, determine (F - p)(x). a fax A2-x-21% b. [ax] 92+ x+ 21 [ax] 42- 13x+ 21 [2x] 42413 x- 21 Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 6/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 7 Correct Mark 1.00 out of 1.00 Given g(x)=4/x, find g(1/x). 2x v 4x Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 7/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 10 Correct Mark 1.00 out of 1.00 Given f(x) = x + 2 and g(x) = x2- 4, determine (f-g)(x). (1/0 -2) Vv XA3+ 2xA2- 4x- 8 G XA2 + x2 [-x] 42 +x +6 Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 10/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 11 Correct Mark 1.00 out of 1.00 of a function are x-intercepts. intercept 5 domain © asymptote 4 zeros Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 11/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 12 Correct Mark 1.00 out of 1.00 It is similar to a rational equation but instead of using the equal sign and assigning equality, we use relational operators such as less than, less than-equal to, greater than, and greater than-equal to. rational function rational equation c. irrational equation rational inequality Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 12/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 15 Correct Mark 1.00 out of 1.00 Given v(x) = x42 + 5x + 4 and g(x)= x*2+ 2x- 8, determine (v + g)(x). & flax J 924 Tx 4 Be fax YA2- Tx 4 © flax] 42- Tx+ 4 fe] 924 7 4% Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 15/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 16 Correct Mark 1.00 out of 1.00 Evaluate the function at x=7.5. FQK)=xA2-2x4+2, a 43.25% b> © 5 4. 43.25 Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 16/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 17 Correct Mark 1.00 out of 1.00 Find g(-7) if f)=V&+1). a 6 v b. imaginary © 6 d. indeterminate Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 17/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 20 Correct Mark 1.00 out of 1.00 Evaluate the function at x=1. F(x) = (2x+1)/(x-1) 3 undefine” b. 3 indeterminate d 9 Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 20/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 21 Correct Mark 1.00 out of 1.00 Given f(x)= («-2)/x + 2) and g(x)= 1/x, find (f-g)(W). (% 2)/ex(x + 2) (x(x-2))/(x+ 2) (x 2) x + 2)41/x (Q(x + 2)- 1K” Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 21/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 22 Incorrect Mark 0.00 out of 1.00 Given f(x)= («-2)/x + 2) and g(x)= 1/x, find (f/g)(W). (x Wx + 2)+1/« (&- 2)/x(x + 2)) * © (Ge-2))/0c+ 2) o (& Bx + 2)- x Your answer is incorrect. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 22/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 25 Correct Mark 1.00 out of 1.00 Give a function C that can represent the cost of buying x meals, if one meal costs Php 55. a C(x)=55-x ©. cuy=55x” © CQx)=55+x 4. CQ=554x Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 25/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 26 Correct Mark 1.00 out of 1.00 Given f(x) =x-2, find f(-2). a 0 boy 4Y d. None of the choices Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 26/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 27 Correct Mark 1.00 out of 1.00 One way to determine the range of a rational function is by getting the domain of the inverse of the rational function. false ball of the choices © true d. cannot be determined Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 27/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 30 Correct Mark 1.00 out of 1.00 Any function which resembles a fraction is a 3. polynomial function b rational function” © horizontal function a. irrational function Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 30/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 31 Correct Mark 1.00 out of 1.00 Given h(x)=V(«-3), find g(12). a 3Y b. 12 © 6 4 9 Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 31/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 32 Correct Mark 1.00 out of 1.00 A rational equation or inequality can’t be solved for all x values that satisfy the equation or inequality. 3. Can't be determined b. True % Faise™ d. None of the above Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 32/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 36 Correct Mark 1.00 out of 1.00 Given g(x)=4/x, find g(v2). % v2 2 Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 35/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 37 Correct Mark 1.00 out of 1.00 Given f(x) = x + 2 and g(x) = xA2- 4, determine (f/g)(x). a XA2 +x-2 XAB + 2xA2- 4x- 8 [-x] 42 +x +6 d. (1)/x-2)¥ Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 36/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 38, Correct Mark 1.00 out of 1.00 These are the ways on how functions can be represented to, EXCEPT? diagram v ©. None of the above “table 4. words Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 37/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 41 Correct Mark 1.00 out of 1.00 It is an expression that can be written as a ratio of two polynomials. 3. Polynomial expression v b. Rational expression © None of the above d. Irrational expression Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 40/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 42 Correct Mark 1.00 out of 1.00 Determine whether the given is a rational equation, rational inequality, rational function, or none of these. (12x42. -3x+4)/(x-3)<0 4 None of these ©. Rational function c Rational inequality” d. Rational equation Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 41/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 43 Correct Mark 1.00 out of 1.00 It is a rule that relates values from a set of values to a second set of values. function b. diagram © ordered pairs 4. relation” Your answer is correct. Question 44, Incorrect Mark 0.00 out of 1.00 Identify whether the relation is a FUNCTION or NOT. F00)={(1,2),(2,3),(1,4),(4,5)} a. FUNCTION .% b. NOT Your answer is incorrect. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 42/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 48, Correct Mark 1.00 out of 1.00 When multiplying a negative number to the whole inequality, you have to reverse the inequality sign. % true ball of the choices cannot be determined d. false Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 45/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 49 Correct Mark 1.00 out of 1.00 Given f(x)= (-2)/x + 2) and g(X)= 1/x, find (Fg)(%). BK 2Y/(x + 2)- 1/k (x- 2)/(x + 2)+1/K 2 bubx + 2) (xQK-2))/(x+ 2) Your answer is correct. shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 46/47 11/14/22, 9:53 PM FIRST QUARTER EXAM: Attempt review Question 50 Correct. Mark 1.00 out of 1.00 Determine whether the given is a rational equation, rational inequality, rational function, or none of these. y = (8x42 -2vx-9)/(x+3) None of these Rational equation . wo Rational function Rational inequality Your answer is correct. ~ Announcements Jump to... shsexam.amaes.com/2212/mod/quiz/review.php?attempt=141304&cmid=226&showall=1 47/47