Write an equation in slope intercept form for the line that passes through (-7,-4), perpendicular y=1/2x+9

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?

Which is the graph of this function 3 square root of x plus one if

Solve the equation.then check your solution 8=1.88+a