Use the definition of derivative and the procedure/example box in this section to find the derivative?

Let x] = 3x2 2x. {a} Use the denition of derivative and the Precedurei'Example box in this section to nd the derivative. {h} Find the instantaneous rate of change of x] at x = 1. :3: {c} Find the slope of the tangent to the graph of y 2 x} at x = 1. :1