Math

Letf(x) = 6×2 ? 4x.(a) Use the definition of derivative and the Procedure/Example box in this section to find the derivative.f ‘(x) =(b) Find the instantaneous rate of change of f(x) at x = ?1.(c) Find the slope of the tangent to the graph of y = f(x) at x = ?1.(d) Find the point on the graph of y = f(x) at x = ?1.(x, y) =