The function f(x) has a minimum value of
2(-1)+2 = 0
The function g(x) has a minimum value of g(3) = -2
The function h(x) has a minimum value of h(1) = 3
Of the minimum values 0, -2, 3, the least is -2, corresponding to g(x).
2(-1)+2 = 0
The function g(x) has a minimum value of g(3) = -2
The function h(x) has a minimum value of h(1) = 3
Of the minimum values 0, -2, 3, the least is -2, corresponding to g(x).