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MATH 105 Exam 2 17 Unanswered Please be sure to save at least once every 15 minutes. If you leave this page without saving, or if your session times out, any answers you have not saved will be lost. The Submit for Grading button will become available once you’ve answered all questions. Exams are not timed; you do not have to finish an exam in one sitting as long as you have saved your answers. Q1. Answer the question about the given function. Given the function f(x) = , if x = -2, what is f(x)? What point is on the graph of f? a. ; ( , -2) b. – ; (-2, – ) c. – ; (- , -2) d. ; (-2, ) Q2. The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval. (-2, -1) MATH 105 Exam 2 https://www.umtweb.edu/SRM/CE.aspx?d=5635A8CCCEC7C… 1 of 7 6/7/15, 2:09 PM a. decreasing b. increasing c. constant Q3. For the given functions f and g, find the requested function and state its domain. f(x) = 2x + 1; g(x) = 5x – 2 Find . a. ( )(x) = ; {x|x ≠ } b. ( )(x) = ; {x|x ≠ – } c. ( )(x) = ; {x|x ≠ – } d. ( )(x) = ; {x|x ≠ } Q4. Determine whether the relation represents a function. If it is a function, state the domain and range. a. function domain:{16, 20, 24, 28} range: {4, 5, 6, 7} b. function domain: {4, 5, 6, 7} range: {16, 20, 24, 28} c. not a function Q5. The graph of a piecewise-defined function is given. Write a definition for the function. MATH 105 Exam 2 https://www.umtweb.edu/SRM/CE.aspx?d=5635A8CCCEC7C… 2 of 7 6/7/15, 2:09 PM a. b. c. f(x) = d. Q6. Determine algebraically whether the function is even, odd, or neither. f(x) = 2×3 a. even b. odd c. neither Q7. Answer the question about the given function. Given the function f(x) = -3×2 – 6x – 6, is the point (-1, -3) on the graph of f? a. Yes b. No Q8. Answer the question about the given function. Given the function f(x) = x2 + 3x – 40, list the x-intercepts, if any, of the graph of f. a. (8, 0), (-5, 0) b. (8, 0), (5, 0) c. (-8, 0), (5, 0) d. (-8, 0), (1, 0) Q9. The graph of a function is given. Decide whether it is even, odd, or neither. MATH 105 Exam 2 https://www.umtweb.edu/SRM/CE.aspx?d=5635A8CCCEC7C… 3 of 7 6/7/15, 2:09 PM a. even b. odd c. neither Q10. Answer the question about the given function. Given the function f(x) = -7×2 + 14x + 4, if x = 1, what is f(x)? What point is on the graph of f? a. 11; (1, 11) b. 11; (11, 1) c. -17; (1, -17) d. -17; (-17, 1) Q11. Find the average rate of change for the function between the given values. f(x) = ; from 4 to 7 a. 7 b. – c. 2 d. Q12. List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. a. (-1, 0), (0, 0), (1, 0); symmetric to origin, x-axis, and y-axis b. (-1, 0), (0, 0), (1, 0); symmetric to origin c. (-1, 0), (0, 0), (1, 0); symmetric to y-axis MATH 105 Exam 2 https://www.umtweb.edu/SRM/CE.aspx?d=5635A8CCCEC7C… 4 of 7 6/7/15, 2:09 PM d. (-1, 0), (0, 0), (1, 0); symmetric to x-axis Q13. Match the graph to the function listed whose graph most resembles the one given. a. square function b. cube function c. square root function d. cube root function Q14. Answer the question about the given function. Given the function f(x) = -2×2 + 4x + 3, list the y-intercept, if there is one, of the graph of f. a. -1 b. 3 c. -3 d. 5 Q15. Given: E=I/R and P=IE with the values: P=10 and E=100 What are the values for I and R? a. R=.001, I=0.1 b. R=100, I=100 c. R=0.1, I=1000 d. Cannot be solved without the value of another variable. Q16. Find the value for the function. Find f(x + 1) when f(x) = . a. b. c. d. Q17. Determine if the type of relation is linear, nonlinear, or none. MATH 105 Exam 2 https://www.umtweb.edu/SRM/CE.aspx?d=5635A8CCCEC7C… 5 of 7 6/7/15, 2:09 PM a. None b. Linear c. Nonlinear Q18. Based on the graph, find the range of y = f(x). a. [0, 6] b. [0, 6) c. [0, ] d. [0, ∞) Q19. Find the domain of the function. g(x) = a. {x|x ≠ 0} b. {x|x > 64} c. {x|x ≠ -8, 8} d. all real numbers Q20. Determine whether the function is symmetric with respect to the y-axis, symmetric with respect to the x-axis, symmetric with respect to the origin, or none of these. MATH 105 Exam 2 https://www.umtweb.edu/SRM/CE.aspx?d=5635A8CCCEC7C… 6 of 7 6/7/15, 2:09 PM y = -6×3 + 7x a. origin only b. y-axis only c. x-axis, y-axis, origin d. x-axis only Privacy Policy | Contact Us | Copyright © 1998-2015 University of Management and Technology (UMT) | Consumer Information Disclosure MATH 105 Exam 2 https://www.umtweb.edu/SRM/CE.aspx?d=5635A8CCCEC7C… 7 of 7 6/7/15, 2:09 PM
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