At evelyns pet shop the raio of cats to dogs is always 3 : 4 if the shop has 15 cats, how many dogs are there?

20 dogs; 3:4=15:x

15/3=5

4*5=20

Therefore, it is 20 dogs

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.