Agrasshopper jumps off a tree stump. the height, in feet, of the grasshopper above the ground after t seconds is modeled by the function shown below. after how many seconds will the grasshopper land on the ground? round to the nearest tenth. h(t) = -t^2 + 4/3t + 1/4 a. -0.2 seconds b. 0.5 seconds c. 1.5 seconds d. 0.7 seconds

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?