$100 fee plus $30 per month. Write an expression that describes the cost of a gym membership after m

[math_celebrity]

$100 fee plus $30 per month. Write an expression that describes the cost of a gym membership after m months.

Set up the cost function C(m) where m is the number of months you rent:
C(m) = Monthly membership fee * m + initial fee
C(m) = 30m + 100