The function f(x) = 5/9 (x − 32) can be used to determine the temperature in °C when the temperature is x°F. Find the inverse function that can be used to determine the temperature in °F when the temperature is x°C. The function that can determine the temperature in °F is f−1(x) = ?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

If you could answer these your a life saver

(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.