Need help solving this question:)

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?