Respuesta :
Answer:
y = 4x + 30
Step-by-step explanation:
The $30 startup fee is the starting point, which means its the y-intercept. The $4 monthly fee is the linear equation.
Answer:
y = 4x + 30
Explanation:
Let y be the total cost. Here the $30 startup is essential, so it shall be kept constant. $4 per month, this value will keep changing with months. Let the months be x.
solve for equation:
y = 4x + 30
[ slope intercept: y = mx + b ]