The owner of a plant shop buys small jade plants for $5.25. To make a profit, she adds a 200% markup to the cost of each plant. She sells large jade plants for $21.50.

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.