What is the area of this cross-section of this rectangular prism?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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?

How to simply and write the answer n a whole number