(a) A company that makes plastic utensils is looking at how the price it charges for a knife affects the number of knives it sel
ls per week. Which is the dependent variable? number of knives sold per weekprice of a knife(b) The cost of a want-ad in a newspaper increases with the length of the ad. For example, in one newspaper, a want-ad costs $50 plus $3 per word. Which is the independent variable in this relationship? length of want-adcost of want-ad(c) A function tells how to compute the output R when the input C is given. Which is the dependent variable for this function? RC