Graph this piecewise function and evaluate the given prompts. (-2x+1 f(x) = 15x – 4 x<2 x=2 f(-4)= f(8) - f(2)= Graph this piecewise function and evaluate the given prompts. (-2x+1 f(x) = 15x – 4 x<2 x=2 f(-4)= f(8) - f(2)=