1. Given the quadratic expression p(q) = 2 r+4q-4-7q+8q - 10r, identify and state the values for a, b and c. [3 marks] 2. Given the functions: w(x) = 7x-x and h(x) w(x)' h(x) = 8-3x a. If the function b(x) = : , calculate the value of b(0). [3 marks] b. State the value(s) of the domain and range of the function b(x) from part a. above. 3. Given the expression, H(m) = 28-3m + bm, determine the following: a. The value(s) of b when the discriminant of H(m) is 400. b. If applicable, calculate the value(s) of its root(s). c. The value of the vertical intercept. d. The value for its line of symmetry. e. For your answers from part a to d above, sketch the graph of the function H(m). 4. Find the inverse of the function, s(t) = 3-t-6 [5 marks] [3 marks] [5 marks] [1 mark] [1 mark] [6 marks] [6 marks]