Write a function involving a square root expression with domain x ≥ 7/2 and y≤2

If g^-1(x) is the inverse of g (x) which statement must be true

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?