In each of the following sets, find the relations. state the domains and ranges. (i) c = { car, dog, cat, lorry, garden} d = { mammal, vehicle, reptile, food } r is defined as a relation from c to d by (c, d) e r if c is a type of d (ii) x = {2, 3, 5, 7} and y = {4, 6, 8, 10, 20 } r is defined as a relation from x to y by (x, y) r if x divides y (iii) r is a relation on x = {1, 2, 3, 4} defined by (x, y) e rif x2

b.my answer is b.

brainliest

kekdkdkccc

so

step-by-step explanation:

kekdkckcldlx

answer: need a picture

step-by-step explanation:

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."