A wholesale grocery store has the following sale on mixed nuts: SALE! Mixed nuts Less than 4 lbs: $2/b 4-10 lbs: $6 + $0.50/lb

a) Write a function to represent the cost C(x) of buying less than 4 pounds of mixed nuts. Identify the domain and range

b) Make a table to show the cost of 4, 5, and 8 pounds of mixed nuts.

c) Use your answers to items a and b to write a piecewise-defined function to represent the cost C(x) of x pounds of mixed nuts.