You are renting a car that charges a $30 fee plus 40 cents a mile. the rate of change is $30. true or false? need it answered asap

False. the $30 is the flat fee you have to pay no matter if it is more than a mile or less. the 40 cents is the rate of change because it it is changing every mile. so the equation would be 0.40x+30

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x