Make m the subject of the formula

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

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x