A taxicab charges $1.75 for the flat fee and $0.25 for each mile. Write a
O $1.75 + $0.25x ≤ $15
O$1.75 + $0.25x ≥ $15
$0.25 + $1.75x ≤ $15
$0.25 + $1.75x ≥ $15