What is the value of x?

This question awards 100 ! i really don’t want to fail i will also mark you !

The table represents a linear function. what is the slope of the function? –6 –4 4 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?