5.) The output is one-fifth the input a. f(x)= 5x
b. f(x)= 1/5x
c. f(x)= x-5
d. 1/5f(x) = x

Let u = {q, r, s, t, u, v, w, x, y, z} a = {q, s, u, w, y} b = {q, s, y, z} c = {v, w, x, y, z}. list the elements in the set.a ∩ (b ∪ c)a) {q, s, w, y}b) {q, y, z}c) {q, s, u, w, y, z}d) {q, r, w, y, z}