Understanding
3-4
A function in the form y = mx + b represents a linear relationship between
two quantities, x and y.
Them represents the constant rate of change
y = mx + 6
The b represents the initial value.
When graphed, the points (x, y) in a linear function always form a straight line.
Angelo's mother put $50 on his lunch card. He spends the same amount
each day for lunch. Write a function that gives the amount of money
remaining on Angelo's lunch card over time.
1. Complete the table to show how much Angelo has left on his card
after each day.