One to one functions g and h are defined as follows.
g={ (-9,7), (-1,-6), (1,4), (6,-1)}
h(x)= 2x-9

find the following of:
1.) g^-1 (-1) = ?
2.) h^-1 (x) =?
3.) (h o h^-1) (1)= ?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.