The price of a taxi is £1 per kilometre plus a call-out charge of £2
Let the the cost of travelling kilometres
(a) How much does it cost to travel 3 km, 5 km or 7 km?
(b) Plot a graph with the horizontal and the vertical axis
(c) Write down the equation that links and
(d) What is the gradient and the -intercept?
(e) After midnight the price of a taxi is £3 per kilometre with a call-out charge of £5.
Write this as an equation.
(f) State one problem with the assumptions in this question