A company installs chain-link fencing. The total installation cost is proportional to the number of feet of fence installed. The company makes a graph to show its prices, where x represents the number of feet of fence installed, and y represents the total cost. The graph passes through (1, 13) and (5,65). What is the cost per
foot of installed fence?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)