No need workings, just final answer

be real numbers defined by n Letx, x2,...,x * = 3, 2 5 and x = 6 3 and x = x + x for n4 Find x Select one: O a. 8 O b. 15. O c. 11 O d. 14 Let A = {a,b,c} and B = {1, 2, 3). Let R = {(a, 3), (b, 2), (C, 1)}. Which of the following statement is correct? Select one: O a. R is not a function. O b. R is a one-to-one but not onto function. Oc. Ris a onto but not one-to-one function. O d. R is a one-to-one and onto function. Let N, Z, Q and R be the set of natural numbers, the set of integers, the set of rational numbers and the set of real numbers respectively. What is the most precise and correct relationship between them? A. NcZcQcR B. NcZcQCR C. RcQcZ CN D. RcQCZ CN Select one: a. D O b. A Oc. C O d. B Let A = {a,b,c} and R = {(a, a), (b, b), (cc)}. Which of the following statement is most complete in describing R? Select one: O a. Ris a symmetric relation on A. Ob Ris a reflexive and symmetric relation on A. Oc. R is a reflexive relation on A. O d. R is an equivalence relation on A. Let A = {a,b,c} and R = {(a, a),(b, b), (c), (cb)}. Which of the following statement is most complete in describing R? Select one: O a. Ris an equivalence relation on A. O b. Ris a reflexive and transitive relation on A. O c. Ris a reflexive and symmetric relation on A. O d. R is a reflexive relation on A