Please use a black colour and use a pencil instead of a marker or highlighter or whatever. And please make the thickness of the pencil skinny.

5'" Use the difference quotient {algebraic strategy) to show that the function f(x} = 412 24x + 1 has a slope ofzero at x = 3. T; I Tiger Woods tees off from the Burj Al Arab helipad and the height after 1: seconds is modelled by: tuft) = 321 16. 7!: + 3. 9t where h is in meters. [2 decimal places only) a} Determine when the ball will hit the water below? T: E h) Estimate the rate at which the golf hall's height above the water is changing as the hall enters the water? T: E