Help, please! 30 points and will mark the brainiest! Mike created a shoe store named "Be Like Mike Shoe Store." Mike offers a frequent-buyers card.

a) Write an equation for the function that gives the card value based on the number of transactions that have occurred.

b) What is the y-intercept for this linear function, and what does it represent?

c) What is the slope for this linear function, and what does it represent?