Answer is C.
3x and 4x² are not like terms, as their exponents do not share the same power (3x has a power of 1, 4x² has a power of 2)
The numbers are increasing by positive 10 each time. So the rate of change is 10.
Answer: 1: lease the car, 2: 4,643.46 3: 12,160.26
Step-by-step explanation: