Please provide steps and explanation if possible

1)

2)

Using the graph of f given below, evaluate S_ f(2x + 1)dx. 0.5 -2 0 -05 Suppose that f(x) is continuous and differentiable and f (2) = -1, f (6) = -4 and S, f(x)dx = -5. Find S, xf'(x)dx