?? - 2015 q7 Answers
7.
Figure 2 shows a sketch of part of the curve with equation
and part of the line with equation y = 17 – x. The curve and the line intersect at the point A.
(a) Show that the x coordinate of A satisfies the equation
(a) Show that the x coordinate of A satisfies the equation
(a) Show that
where f(x) is a cubic function to be found. (3)
(b) Hence find the range of g. (6)
(c) State a reason why the function
(b) Hence find the range of g. (6)
(c) State a reason why the function
does not exist. (1)