a. Find the equation for each line using the graph

line a)

line b)

line c)

b. Determine which graph corresponds to the following cases:
i. A salary e.g. a fixed amount is paid per month

ii A piece work contract e.g. a fixed amount of money is paid for each piece sold

iii. A commission contract with a low wage

State how much…

i. The fixed salary is

ii. Is paid per item sold in the piece work contract

iii.The low wage and the commission

d. Explain why there can be a horizontal line but no vertical line.