Given: F(x) = 2x and G(x) = x2+ 2 Find (G - F)(x).

1. - x 2-2 x - 2
2. x 2-2 x - 2
3. x 2-2 x + 2

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.