Fred is selling DVDs on eBay. Fred makes the shipping cost $7.00 plus $2.00 per DVD. Fred will not ship more than 8 DVDs at a time. The independent variable is the number of DVDs brought, and the dependent variable is the total cost. Write a sentence to describe the relationship using the phrase "is a function of"

Question

anonymous · Answer

Fred's earnings is a function of the shipping cost (7$) and the amount of CD's sold (x) times the cost of thr CD's (2$)

anonymous · Answer

same as y= 2x+7 which is a line equation with y intercept of 7 and slope of +2