Determine the equation of the inverse of y=1/4x^2-2

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9