A tree 7 ft tall grows an average of 6 in. each year. Which equation models the treeÍs height h after x years
h = 6x + 7
h = 0.5x + 7
h = - 0.5x +7
h + -6x +7
h = 6x + 7
h = 0.5x + 7
h = - 0.5x +7
h + -6x +7
