(x) -3 -2 -1 1 f(x) -5/2 -3 -2 2/3
f'(x) -1 1/3 6/5 4/3

The table above gives values of the differentiable function f and its derivative for selected values of x.
(a) Let g be the function defined by g(x)=f(x^2)/e^x. Find g′(−1)
(b) Let h be the function defined by h(x)=f(f(−2x)). Find h′(1)
(c)Let k be the function defined by k(x)=f(x)⋅ arcsin(x/2). Find k′(−1)