Equation Linear or Non-Linear? If it is non-linear, choose from: exponential, quadratic, or absolute value 4) y = 4x + 8 5) f(x) = 7 x 6) 3y + 9x = -27 7) y = 5x(2x - 7) (8) y=x^ 9) y = x 10) f(x) = 1 x + 11​