A certain company's main source at income is a mobile app. The company's annual prot (in millions of dollars) as a function at the app's price {in dollars) is modeled by Plz) : 2(:i: 3)(I 11) What would be the company's prot if the app price is 0 dollars? 2. Your friend does not understand the concept of completing the square to determine the vertex. Create a function in standard form and outline the concept for him. (3 marks) Function: Complete the square: How does this concept determine the vertex? 3. Your friend does not understand the concept of factoring to determine the vertex. Create a function in standard form (make sure it is factorable) and outline the concept for him. (3 marks) Function: Factor the function: How can you determine the vertex from factored form? 4. A rocket is launched from the ground and follows a parabolic path represented by the equation fll') = '12 + 101', where fl-r) is the height of the rocket in metres after 1' seconds. At the same time, a flare is launched from a height of 10 metres and follows a straight path given by 9(1) = "I + 10, where 9(1) is the height ofthe flare in metres after 1' seconds. What height above the ground do the rocket and the flare intersect