Parent function name of f(x)=2(x+1)^3

Me because some of question i don’t understand

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans?