Which graph represents y as x as a function of x

What values of c and d make the equation true?

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list